☰ Contents · Technology

Water pipes and sewerage

Lessons 9 · 1 lessons · O‘. O. Tohirov, I. Karimov, M. M. Maksimova. Technology (Texnologiya), textbook for Grade 8 of general secondary schools. Ilm Ziyo, Tashkent, 2019
Answers are for parents and teachers.
1
Observe the type and colour of your home water meter and write it down (do not touch it).
2
A family uses 4 containers of 20 litres a day. How many litres in 30 days?
3
Write 5 rules for saving water.
4
In 3 sentences write why water treatment plants are needed.