Lessons 24–25 · 2 lessons · O. A. Qo‘ysinov, O‘. O. Tohirov, D. N. Mamatov, D. F. Aripova. Labour education (Mehnat ta’limi), Grade 9: methodical guide for teachers. Delta-Print, Tashkent, 2017. Note: this is a teacher’s guide, not a student textbook (lesson plans for the “Technology and design”, “Service” and “Basics of agriculture” directions). The course is built from the lesson-plan topics of the “Technology and design” direction; the “Iroqi” skullcap lesson comes from the “Service” direction, and lesson 25 (joining parts) is written from the topic listed in the guide’s calendar plan.
Answers are for parents and teachers.
1
Look with an adult at three items at home: what joints do they have? Sort them as separable/non-separable. Open nothing.
Your own work
2
5 boxes with 6 wood screws each. How many wood screws are needed in total?
30
3
Find and draw one example each of a fixed, semi-movable and movable joint.
Your own work
4
Compose three individual tasks for a study visit to an imaginary enterprise.
Your own work
5
Write four safety rules for working with a soldering iron or welding.