Commercially available brushes have durable plastic pile, and cover with the mounting node of thin plastic is weak. To extend sluzby brush, you need the screws to install the metal tube is pre-sawn its axis and tilting the petals.
A. VASILENKO, Zaporozhye
Recommend to read
HIGHLY VERSATILE FOR CIRCLES
Where the number of technical groups is relatively small — in schools. Pioneer houses at the Hoo, in children's sectors of trade — Union clubs and where there are difficulties with the...
WITH CARING FOR THE EARTH
The future of our country, its science and industry will soon begin to identify those who are now sitting at their desks in schools, in the classrooms of technical schools and vocational...
