☰ Contents · Technology

Standards and the document system

Lessons 16 · 1 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 what information and marks are written on two things at home (e.g., a food package, a garment) and copy it.
2
Draw the categories of standards in a diagram and give an example for each.
3
A board is 120 mm wide with a tolerance of ±2 mm. What is the greatest accepted width in mm?
4
Why do international standards make export easier? Write 3 sentences.