
An open belt is rubber ring at the tape recorder or a player — it happens not so often, but because surprised. However, a good housewife can always find an old rubber glove. Select the one that is thicker, and cut with scissors right ring: timed belts ready.
Recommend to read
KAMOV Ka-15M
The first experimental coaxial helicopter construction.And.Kamov, who headed at that time, the Bureau of new technology of TSAGI, took to the air in 1947. In 1948 N. And.Kamov continued...
CATAMARAN — ROTOR-SAIL
I want to tell readers about the catamaran, the movement is carried out with the help of Magnus effect. The Magnus effect is that when an airflow of the rotating body formed a force...