☰ Contents · Technology

The sewing machine and taking measurements

Lessons 70–72 · 3 lessons · Sh. Sharipov, N. Muslimov, O. Tolipov, Q. Abdullayeva, O. Qo‘ysinov, V. Sattorov, S. Ahmadaliyev, M. Mo‘minova. Mehnat ta’limi (Labour Education / Technology), Grade 5. Sharq Publishing, Tashkent, 2015
71

Practical: machine rules, threading, seams

Textbook: pp. 150–154
GoalKnow the rules of machine work, threadless stitching, threading, and joining, edge-finishing and decorative seams.
New words
line of stitches · baxyaqatorjoining seam · biriktirma chokhem (edge) seam · ziy chokdecorative seam · bezak chok
Explanation

Machine work has four stages: preparing (foot raised, threads passed, stitch length set), starting (fabric under the foot, lower the needle, then the foot), working and finishing. While sewing, the fabric must not be pulled or pushed; the machine feeds it itself. At the end the needle and foot are raised, the fabric is drawn out with the left hand and the thread is cut leaving 10–15 cm. First practise on paper with no thread: along parallel lines 2 cm apart the needle leaves holes, which trains the eye and hand. Machine seams are of three kinds: joining (joins two pieces), hem (folds and sews an edge) and decorative (pleat, tuck); seam widths run from 0.1 to 1.5 cm. All practice is done under the teacher’s instructions and supervision.

Worked examples
For threadless practice on a 20 cm sheet, starting 1 cm from the edge with lines 2 cm apart, 10 lines fit: 1 + 2 × 9 = 19 cm.
Folding and sewing a raw edge is a hem seam; joining two pieces is a joining seam; a pleat is a decorative seam.
Class activity

Technology-card game: the name, drawing and procedure of each seam type are on separate cards and pairs match them. The practical part is only done with the teacher, on paper without thread.

Practice
1
Name the stages of machine work.
2
What happens if you pull the fabric while sewing?
3
List the three kinds of machine seam.
4
Why practise first on paper without thread?