Technology tests. Machine learning rules for threading the upper and lower threads of the sewing machine The correct sequence for threading the sewing machine

Before the sewing machine can do its job, the owner needs to make a number of some technical settings, without which the operation of the machine is simply impossible. Threading is one of these settings. Although this process is notable for its simplicity, some novice housewives do not always know how to thread the upper and lower threads of the sewing machine.

Threading the upper thread begins with installing the spool on the pin specially designed for it on the top of the sewing machine body. After that, the upper thread should be pulled through the thread guide and further through the needle. In modern models, there is no need to manually adjust the thread tension in the sewing machine: smart technology itself sets the required tension level for comfortable work.

How to refuel old sewing machine? The algorithm of this process practically does not differ from that given above. A slight difference can be observed in the design of the machine model itself. Not all old devices have a tensioner, so the thread is threaded like this: pass it through the thread guide and further into the eye of the needle.

Please note that before threading the needle, the holding foot and the needle itself must be in the up position. To do this, turn the handwheel until the needle reaches the desired position.

How to thread the bobbin thread

In order for the machine to perform its functions, it needs a lower thread, which must be wound on a bobbin and threaded into the corresponding hole in the working table. How to thread the bottom thread in a sewing machine? The process consists of several successive steps.

Threading the bobbin

Pull to the left and remove the extension table from the machine. Remove the shuttle plate and turn fly ring with the needle in the up position. Pull out the bobbin mechanism by pulling on its edge, and remove the bobbin itself from the mechanism case.

Winding yarn onto a bobbin can be done by attaching a spool of thread to the top pin, and connecting it to the no-holder "crosswise", so that the edge of the thread goes back towards the flywheel. Place the bobbin on the second pin and fasten the thread on it by making a few turns around the body. By depressing the pedal or turning the handwheel, wind the thread onto the bobbin.

Make sure that the thread is threaded into the bobbin case from the inside out.

Installing the bobbin

Insert the bobbin into the bobbin mechanism. Make sure the thread is unwinding clockwise, and thread it through a special hole on the mechanism body. Return the bobbin mechanism to the hook and lower the tongue to its original position.

Be sure to lower the tongue of the machine after installing the bobbin mechanism in its place. This will keep it in a fixed position.

Many people mistakenly believe that a sewing machine does not require special care and that even in poor condition it will be able to perform its main function - sewing. This is far from true. The sewing machine will serve you much longer and will sew much faster and quieter if you follow the simple rules for caring for it.

  1. Periodically lubricate internal parts special oil that comes with the device. The frequency of the procedure is once every six months.
  2. Choose your threads and needles wisely. Make sure the needle matches the type of fabric you are working with.
  3. Implement cleaning of internal mechanisms with a special brush.

It is worth considering the fact that when working with such types of fabrics as knitwear, fur and wool, the above procedures should be carried out a little more often than usual.

Technology tests.

6th grade girls.

I option.

1. What are the threads that run along the fabric called?

2. What are the benefits of sewing with a sewing machine?(Choose an answer from the options provided.)

3. Specify the sequence for threading the upper thread by listing the part numbers of the sewing machine in the correct order.

5. Thread take-up. Note. The brand of the sewing machine must be taken into account.

4. How do the topstitch and topstitch seams differ from the stitched seams in an iron-on and an iron-on?(Choose one)

5. From which side should the light fall when working on a sewing machine?(Choose one)

1. On the left side. 2. C right side. 3. Top.

6. What threads does the shuttle lay?(Choose an answer from the options provided.)

7. What determines the choice of needle and thread number?(Choose an answer from the options provided.)

8. What parts of the sewing machine are used to thread the lower thread?(Choose an answer from the options provided.)

9. What determines the size of the tuck?(Choose one)

10. What signs determine the direction of the warp threads in the fabric?(Choose an answer from the options provided.)

11. In which direction should the flywheel be turned?(Choose an answer from the options provided.)

1. On yourself. 2. From myself.

12. In accordance with the sequence of the stages of preparing the sewing machine for work, put down the numbers with which they are indicated.

13. What safety rules must be observed when performing handmade? Circle the correct letter.

1. Before starting work:

2. During work:

3. Upon completion of work:

A) turn off the iron;

14. What are the features of the plain weave of threads in fabric?(Choose an answer from the options provided.)

15. What fabrics are made from plant fibers?(Choose an answer from the options provided.)

16. Specify the sequence of threading the lower thread on the sewing machine by listing the numbers of its elements.

17. Indicate the sequence of preparing the sewing machine for work by listing the numbers of its elements.

1. Bring the ends of both threads under the foot. 2. Place a piece of fabric under the foot, pierce with a needle and lower the foot. 3. Plug the machine into the mains. 4. Refuel upper thread. 5. Thread the lower thread, and bring it up.

18. What safety rules must be observed when performing machine work?Circle the correct letter.

1. Before starting work:

2. During work:

3. After finishing work:

a) turn off the car

B) clean up the workplace.

19. What seam is applied to the patch pocket?(Underline whatever applicable.)

Seam at the hem. Overhead seam. Stitch seam.

20. What safety rules must be observed when performing wet-heat work?Circle the correct letter.

1. Before starting work:

b) check the presence of a rubber mat.

2. During work:

3. Upon completion of work:

A) turn off the iron;

21. What kind of seam is used to process the bottom of the product, sleeves, edges of frills, etc.?(Underline whatever applicable.)

22. What are the dangers during machine work?Choose the right one.

23. What are the dangers during wet-heat works?Choose the right one.

24. What does a zipper replace in clothes?Choose the right one.

25. What are the dangers during manual work?Choose the right one.

Answers to questions of the 1st option.

QUESTION

ANSWER

QUESTION

ANSWER

3,4,1,5,4,2

3,4,2,1

4,5,1,2,3

1.a); 2.a); 3.a), b).

seam

1.a),b);2.b);3.a),b).

Hem seam with open or close. cf.

1,2,3

1,3,4

3,6,4,8,1,2,5,7

2,3,4

1.a); 2.b); 3.b).

Technology tests.

6th grade girls.

Sections: “Technology of fabric processing”, “Materials science”, “Machine science”, “Safety precautions when performing manual, machine and ironing works”.

II option.

1. What fabrics are made from plant fibers?(Choose an answer from the options provided.)

1. Woolen. 2. Silk. 3. Cotton. 4. Linen.

2. Indicate the sequence for threading the lower thread on the sewing machine by listing its part numbers.

1. Pull the bobbin thread up. 2. Insert the bobbin case into the hook. 3. Wind the thread onto the bobbin. 4. Insert the bobbin into the bobbin case and feed the thread through the slot.

3. Specify the sequence of preparing the sewing machine for work by listing the numbers of its elements.

1. Bring the ends of both threads under the foot. 2. Place a piece of fabric under the foot, pierce with a needle and lower the foot. 3. Plug the machine into the mains. 4. Thread the upper thread. 5. Thread the lower thread and bring it up.

4. What safety rules must be observed when performing machine work?Circle the correct letter.

1. Before starting work:

a) fasten the cuffs of the sleeves;

b) check the condition of the machine.

2. During work:

A) installation of the bobbin case, top threading, to be carried out with the machine turned off;

B) put a thimble on the middle finger right hand so as not to prick him.

3. Upon completion of work:

a) turn off the car

B) clean up the workplace.

5. What seam is the patch pocket sewn on?(Underline whatever applicable.)

Seam at the hem. Overhead seam. Stitch seam

6. What safety rules must be observed when performing wet-heat work?Circle the correct letter.

1. Before starting work:

a) check the integrity of the cord and the cleanliness of the soleplate of the iron;

b) check the presence of a rubber mat.

2. During work:

A) stick needles and pins only into the needle bed;

B) turn the iron on and off with dry hands, grasping the body of the plug, not the cord.

3. Upon completion of work:

A) turn off the iron;

B) put the iron on a special stand.

7. What kind of seam is used to process the bottom of the product, sleeves, edges of frills, etc.?(Underline whatever applicable.)

Stitch seam. Overhead seam. Hem seam with open or closed cut.

8. What are the dangers during machine work?Choose the right one.

1. Finger needle injury. 2. Hair or clothing ends caught in the rotating parts of the sewing machine. 3. Burns: steam, soleplate and cord fire.

9. What are the dangers during wet-heat works?Choose the right one.

1. Cord fire. 2. Injury to the fingers from the needle. 3. Electric shock.

4. Burns: steam, soleplate and cord fire.

10. What does a zipper replace in clothes?Choose the right one.

1. Buttons. 2. Hooks. 3. Darts.

11. What are the dangers during manual work?Choose the right one.

1. Electric shock. 2. Hand injury with scissors. 3. Eye injury.

4. Damage to fingers with a needle or pin.

12. What are the threads that run along the fabric called?(Choose an answer from the options provided.)

1. Weft threads. 2. Warp threads. 3. Edge.

13. What are the benefits of sewing on a sewing machine?(Choose an answer from the options provided.)

1. Quality sewing. 2. Fast sewing.

14. Specify the sequence for threading the upper thread by listing the part numbers of the sewing machine in the correct order.

1. Upper thread tension regulator. 2. Needle. 3. Reel rod. 4. Thread guides.

5. Thread take-up. Note. Need to consider the brand of the sewing machine

15. How do the topstitch and topstitch seams differ from the stitched seams in a flat iron and a flat iron?(Choose one)

1. Wet heat treatment. 2. Additional machine lines.

3. Extra strength seams.

16. From which side should the light fall when working on a sewing machine?(Choose one)

1. On the left side. 2. On the right side. 3. Top

17. What threads does the shuttle lay?(Choose an answer from the options provided.)

1. Weft threads. 2. Warp threads.

18. What determines the choice of needle and thread number?(Choose an answer from the options provided.)

1. From the density of the fabric. 2. From the color of the fabric. 3. From weaving.

19. What parts of the sewing machine are used to thread the lower thread?(Choose an answer from the options provided.)

1. Shuttle device. 2. Bobbin. 3. Bobbin case.

20. What determines the size of the tuck?(Choose one)

1. From the fabric structure. 2. From the size of the figure. 3. from the model. 4. From the growth of the figure.

21. What signs determine the direction of the warp threads in the fabric?(Choose an answer from the options provided.)

1. Along the edge. 2. By stretching. 3.By sound when stretched. 4. By color.

22. In which direction should the flywheel be rotated?(Choose an answer from the options provided.)

1. On yourself. 2. From myself.

23. In accordance with the sequence of the stages of preparing the sewing machine for work, put down the numbers with which they are indicated.

1. Bring the ends of both threads under the foot. 2. Place fabric under the foot. 3. Wind the thread onto the bobbin. 4. Thread the upper thread. 5. Make a puncture with a needle and lower the foot.

6. Thread the bobbin thread. 7. Plug the machine into the mains. 8. Bring the bobbin thread up by turning the handwheel towards you.

24. What safety rules must be observed when doing manual work?Circle the correct letter.

1. Before starting work:

b) check the presence of a rubber mat.

2. During work:

a) check the machine is in good working order;

B) put the scissors on the right with closed blades pointing away from you.

3. Upon completion of work:

A) turn off the iron;

25. What are the features of the plain weave of threads in fabric?(Choose an answer from the options provided.)

1. The warp thread passes under the two weft threads. 2. The warp thread passes under one weft thread.

3. The warp thread passes under several weft threads.

Answers to questions II option.

4,5,1,2,3

1.a), b); 2.a); 3.a), b).

seam

1.a), b); 2.b); 3.a), b).

Hem seam with open or close. cf.

1,2,3

1,3,4

3,6,4,8,1,2,5,7

2,3,4

1.a); 2.b); 3.b).


Engineering Tests

1. Determine the sequence for threading the upper thread:
a) raise the needle to its highest position;
b) pass the thread through the slot of the thread take-up;
c) bring the thread between the washers of the upper thread tension regulator, then into the loop of the spring;
d) thread the thread by the thread take-up hook on the front board;
e) insert the thread into the eye of the needle from the side of the thread take-up;
e) put the thread take-up in the upper position;
g) thread by the thread take-up hook on the needle holder;
h) put the coil on the upper coil rod;
i) Insert the thread into the thread take-up eye.

Answer: a, h, b, c, i, d, g, e, f.

2. Determine the sequence for threading the lower thread:
a) bring the ends of both threads back under the foot;
b) insert the bobbin case into the shuttle;
c) bring the lower thread through the hole in the needle plate up;
d) insert the bobbin with wound thread into the bobbin case;
e) thread under the lower thread tension spring.

Answer: d, e, b, c, a.

3. Determine the sequence of winding threads on the bobbin:
a) put the spool of thread on the lower spool pin and pull the thread through the clamping device;
b) manually wind several turns on the bobbin;
c) press the rubber wheel of the winder to the rim of the flywheel;
d) turn on the machine to work;
e) cut the thread and remove the bobbin from the winder;
f) put the winder into operation using the flywheel, the thread should lie tightly and in even rows;
g) put the machine in a non-working position;
h) put the bobbin on the winder.

Answer: g, a, b, h, c, e, e, d.

4. On the platform of the sewing machine is:
a) sliding plate;
b) lower thread tension regulator;
c) fabric feed rail;
d) front board;
e) winder.

Answer: a; in.

5. The shuttle is located:
a) on the sleeve stand;
b) on the platform;
c) under the platform.

Answer: c.

6. On a manual sewing machine, extra:
a) a pedal
b) flywheel;
c) a pen.

Answer: a.

7. The manual sewing machine does not include:
a) flywheel
b) line regulator;
c) thread take-up;
d) front board;
e) electric motor;
e) needle plate.

Answer: d.

8. Sewing machine drives include:
a) manual;
b) combined;
c) foot;
d) universal;
e) electric drive.

Answer: a; in; d.

9. There are regulators in the household sewing machine:
a) stitch length
b) stitch width;
c) zigzag width;
d) upper thread tension regulator.

Answer: a; in; G.

10. When a weak line is formed, the reason:
a) excessive tension on both threads;
b) insufficient tension of the upper thread;
c) insufficient tension of the lower thread;
d) insufficient tension on both threads.

Answer: Mr.

11. The machine needle device does not include:
a) rod;
b) flat flask;
c) flat;
d) tip;
e) a short groove.

Answer: b; G.

12. There is no foot drive:
a) pedals
b) drive belt;
c) handles;
d) flywheel.

Answer: c.

A complete process of working on a sewing machine, regardless of experience with this device, is impossible without its correct settings, which are performed manually. So, in this material we will consider detailed diagrams of how to properly fill a sewing machine.

General instructions for refueling a sewing machine

The general instructions for refueling a sewing machine look like this:

  1. Wind the thread with which you will work on the bobbin and at the same stage put on the upper pin on the spool for the upper thread.
  2. The next step is to thread the upper thread in the sewing machine. For this process, there is usually an instruction on the instrument case. The upper thread is the one that is pulled from the spool into the eye of the needle. Before threading through the eyelet, raise the presser foot and set the needle so that it is at the very top.
  3. Check thread tension. Modern devices have special tension regulators.
  4. After threading the upper thread, you can thread the lower thread. To do this, turn off the drive (moss wheel) and insert the bobbin into place. After that, you need to turn on the wheel and turn it until there is enough thread on the bobbin.
  5. Insert the bobbin case into the bobbin, making sure that the bobbin pin aligns with the bobbin slot. If everything is done correctly, a characteristic click will be heard.
  6. The thread must be brought out through the valve plate, close it. The upper and lower threads must be connected and brought back by the shoulder blade.

To check the correctness of the work done, you should scroll the flywheel. After the needle rises and falls, a loop of the bottom thread should form from the hole in the plate on the upper thread.

To understand how to thread the bobbin in sewing machine standard type, we recommend watching a video tutorial that tells not only about the sequence of actions, but also about where the bobbin is located and what nuances you should pay special attention to:

Correct threading order

This process will vary depending on the type of machine. Modern devices have detailed instructions on how to properly thread a sewing machine, and the devices themselves are designed in such a way that you can intuitively guess how to do everything. But with rotary-type machines, difficulties arise, so we will present two instructions in detail:

Top threading

  1. Pass the thread from the spool through the mount at the body of the device.
  2. Thread the thread into the thread tension regulator and bring it into the compensation spring, which looks like a hook.
  3. Pass the thread through the hole in the thread guide, bring it out through it and pass it into the existing fastening, then into the eye of the needle.

In some models of machines, instead of a thread guide, there is a fork. AT this case you just need to put the thread on this fork, and not thread it into the hole.

Threading the lower thread

  1. Wind the lower thread not on the spool, but on the bobbin.
  2. Insert the bobbin into the bobbin case, while the thread should be tucked under the spring plate.
  3. Check thread tension. A certain tension is set for the model of the machine.

How to thread a twin needle?

If the machine sews a zigzag stitch, then a double needle can be installed in it. In this case, the threads will be threaded into the needles in the same way as if it were done with one needle, the only difference is that an additional - second - spool is required. In this case, both threads must pass through the same upper thread tensioner.

Instructions on how to thread two needles into the machine:

  1. A double needle is installed in the same way as a regular needle. The cut of the needle should be directed away from you, and the round side of the needle bulb itself should be directed towards you.
  2. The threads from both spools must be passed through all the thread guides, not forgetting the upper thread tensioner. It should turn out that the lowest thread guides will separate them.
  3. The left thread must be threaded into the needle on the left, the right thread, respectively, into the needle on the right. If the device has one thread guide, then the left thread must be passed through the thread guide, and the right thread next to it, tucking it under the eye of the needle.

It is not difficult to use a double needle, the main thing is to thread both upper threads correctly, as well as loosen their tension (in the bobbin itself). The lower thread will be used when sewing at the same time as the upper thread, thereby forming a zigzag, so it is imperative to loosen the tension.

The twin needle makes it easier to sew double stitches on the machine, as well as to sew decorative stitches with just one twin needle stitch.

Manual sewing machine: how to thread

When setting up a manual machine, it is important to choose the right needle and thread number for a particular type of fabric, as well as adjust the thread tension, otherwise the quality of the stitch will suffer. Otherwise, refueling a manual sewing machine should not cause difficulties, as can be seen from the instructions for refueling the Chaika machine:

  1. Turn the handle so that the mechanism that attracts the threads is at the top.
  2. Insert the needle into the holder until it stops. The flat side should be facing towards the pin that the foot is on.
  3. Use the screw to secure the needle.
  4. Install the spool of thread on the rod intended for this.
  5. Pass the thread through the friction washer and thread guide.
  6. Insert the thread into the thread guide, fix it in the needle holder.
  7. Pass the thread through the eye of the needle (this will be the upper thread).

Threading the lower thread:

  1. Wind the thread onto the bobbin.
  2. Insert the bobbin into the cap. The thread should be outside.
  3. Insert the cap back until a characteristic click sounds.
  4. To tighten the thread, you need to turn the handle of the machine to tension.
  5. Tuck both threads (top and bottom) under the foot.

How to properly adjust the thread tension:

  • Use the screw that is on the bobbin case. The tighter the screw is tightened, the tighter the thread is.
  • Adjust the tension using the adjuster, which is located at the lever that raises the foot.

A few useful rules for using the Seagull machine:

  • Without a pre-lowered needle under the foot, the line cannot be started.
  • The handle of the machine turns strictly “towards itself”, it is impossible to change the direction of rotation.
  • To work on this machine, you need to choose those fabrics that are suitable for all types of stitches, otherwise you can ruin not only the fabric, but also bring your machine into complete disrepair.

Video: How to fill the Podolsk manual sewing machine?

Another old machine that grandmothers had at home is a device of the Podolsk brand. Despite the fact that such a model is old and manual, it is pleasant to work with it if you understand all its mechanisms and learn how to refuel, which will help the following video:

In order to enjoy work, as well as avoid problems during work, it is worth thoroughly studying the instructions for refueling the sewing machine, because not only the quality of the sewn product, but also the life of the device will depend on this.

In contact with

Technology tests.

6th grade girls.

I option.

1. What are the threads that run along the fabric called?

2. What are the benefits of sewing with a sewing machine?(Choose an answer from the options provided.)

3. Specify the sequence for threading the upper thread by listing the part numbers of the sewing machine in the correct order.

5. Thread take-up. Note. The brand of the sewing machine must be taken into account.

4. How do the topstitch and topstitch seams differ from the stitched seams in an iron-on and an iron-on?(Choose one)

5. From which side should the light fall when working on a sewing machine?(Choose one)

1. On the left side. 2. On the right side. 3. Top.

6. What determines the choice of needle and thread number?(Choose an answer from the options provided.)

7. What parts of the sewing machine are used to thread the lower thread?(Choose an answer from the options provided.)

1. Shuttle device. 2. Bobbin. 3. Bobbin case.

8. What signs determine the direction of the warp threads in the fabric?(Choose an answer from the options provided.)

9. In which direction should the flywheel be turned?(Choose an answer from the options provided.)

1. On yourself. 2. From myself.

10. In accordance with the sequence of the stages of preparing the sewing machine for work, put down the numbers with which they are indicated.

11. What are the features of the plain weave of threads in the fabric?(Choose an answer from the options provided.)

12. What fabrics are made from plant fibers?(Choose an answer from the options provided.)

13. Indicate the sequence of threading the lower thread on the sewing machine by listing the numbers of its elements.

14. Indicate the sequence of preparing the sewing machine for work by listing the numbers of its elements.

1. Bring the ends of both threads under the foot. 2. Place a piece of fabric under the foot, pierce with a needle and lower the foot. 3. Plug the machine into the mains. 4. Thread the upper thread. 5. Thread the lower thread, and bring it up.

15. What seam is applied to the patch pocket?(Underline whatever applicable.)

Seam at the hem. Overhead seam. Stitch seam.

16. What seam is used to process the bottom of the product, sleeves, edges of frills, etc.? (Underline whatever applicable.)

17 . What are the dangers during machine work? Choose the right one.

18. What are the dangers during the performance of wet-heat work ? Choose the right one.

1. Cord fire. 2. Injury to the fingers from the needle. 3. Electric shock.

4. Burns: steam, soleplate and cord fire.

19. What replaces a zipper in clothes? Choose the right one.

20

Answers on questionsI option.

QUESTION

ANSWER

QUESTION

ANSWER

seam

Hem seam with open or close. cf.

Technology tests.

6th grade girls

II option.

1. What fabrics are made from plant fibers?(Choose an answer from the options provided.)

1. Woolen. 2. Silk. 3. Cotton. 4. Linen.

2. Indicate the sequence for threading the lower thread on the sewing machine by listing its part numbers.

1. Pull the bobbin thread up. 2. Insert the bobbin case into the hook. 3. Wind the thread onto the bobbin. 4. Insert the bobbin into the bobbin case and feed the thread through the slot.

3. Specify the sequence of preparing the sewing machine for work by listing the numbers of its elements.

1. Bring the ends of both threads under the foot. 2. Place a piece of fabric under the foot, pierce with a needle and lower the foot. 3. Plug the machine into the mains. 4. Thread the upper thread. 5. Thread the lower thread and bring it up.

4. What safety rules must be observed when performing machine work? Circle the correct letter.

1. Before starting work:

a) fasten the cuffs of the sleeves;

b) make sure the machine is working.

2. During work:

a) installation of the bobbin case, top threading, to be done with the machine turned off;

b) put a thimble on the middle finger of the right hand so as not to prick it.

3. Upon completion of work:

a) turn off the car

b) clean up the workplace.

5. What seam is the patch pocket sewn on?(Underline whatever applicable.)

Seam at the hem. Overhead seam. Stitch seam

6. What kind of seam is used to process the bottom of the product, sleeves, edges of frills, etc.?(Underline whatever applicable.)

Stitch seam. Overhead seam. Hem seam with open or closed cut.

7. What are the dangers during machine work? Choose the right one.

1. Finger needle injury. 2. Hair or clothing ends caught in the rotating parts of the sewing machine. 3. Burns: steam, soleplate and cord fire.

8. What does a zipper replace in clothes? Choose the right one.

1. Buttons. 2. Hooks. 3. Darts.

9. What are the dangers during manual work? Choose the right one.

1. Electric shock. 2. Hand injury with scissors. 3. Eye injury.

4. Damage to fingers with a needle or pin.

10. What are the threads that run along the fabric called?(Choose an answer from the options provided.)

1. Weft threads. 2. Warp threads. 3. Edge.

11. What are the benefits of sewing on a sewing machine?(Choose an answer from the options provided.)

1. Quality sewing. 2. Fast sewing.

12. Specify the sequence for threading the upper thread by listing the part numbers of the sewing machine in the correct order.

1. Upper thread tension regulator. 2. Needle. 3. Reel rod. 4. Thread guides.

5. Thread take-up. Note. Need to consider the brand of the sewing machine

13. How do the topstitch and topstitch seams differ from the stitched seams in a flat iron and a flat iron?(Choose one)

1. Wet heat treatment. 2. Additional machine lines.

3. Extra strength seams.

14. What threads does the shuttle lay?(Choose an answer from the options provided.)

1. Weft threads. 2. Warp threads.

15. What determines the choice of needle and thread number?(Choose an answer from the options provided.)

1. From the density of the fabric. 2. From the color of the fabric. 3. From weaving.

16. What determines the size of the tuck?(Choose one)

1. From the fabric structure. 2. From the size of the figure. 3. from the model. 4. From the growth of the figure.

17. What signs determine the direction of the warp threads in the fabric?(Choose an answer from the options provided.)

1. Along the edge. 2. By stretching. 3.By sound when stretched. 4. By color.

22. In which direction should the flywheel be rotated?(Choose an answer from the options provided.)

1. On yourself. 2. From myself.

18. In accordance with the sequence of the stages of preparing the sewing machine for work, put down the numbers with which they are indicated.

1. Bring the ends of both threads under the foot. 2. Place fabric under the foot. 3. Wind the thread onto the bobbin. 4. Thread the upper thread. 5. Make a puncture with a needle and lower the foot.

6. Thread the bobbin thread. 7. Plug the machine into the mains. 8. Bring the bobbin thread up by turning the handwheel towards you.

19. What are the features of the plain weave of threads in fabric?(Choose an answer from the options provided.)

1. The warp thread passes under the two weft threads. 2. The warp thread passes under one weft thread.

3. The warp thread passes under several weft threads.

Answers on questionsII option .

QUESTION

ANSWER

QUESTION

ANSWER

1.a), b); 2.a); 3.a), b).

seam

Hem seam with open or close. cf.

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