The best way to solve a specialized task is often to write one or two utilities and a bit of glue to tie them together, rather than writing a single program to solve the whole thing.
Lessons are extremely practical and include work on farming, carpentry, health and running a home, as well as lessons on the basic skills of reading, writing and arithmetic.
After finishing their ninth grade, some of them go to high school to continue their further education, and some of them go to vocational school to learn some practical skills.
The utility model relates to a compound cleaning brush which is composed of a brush holder and a brush head, wherein the brush holder is connected to the brush head by screw threads.