When processing large surfaces of metal or wood, each master uses to fasten sandpaper to any device. One of the simplest: a piece of wood, girded with a rubber ring This method is convenient because it allows you to quickly change the exhaust a strip of abrasive material by a new one.
Recommend to read
STAR ANNIVERSARY PARADE
Vertical takeoff aircraft Yak-36. In 1960, Yakovlev made a proposal to the government to develop the aircraft vertical takeoff and landing (VTOL) Yak-104. The project involved the use of...
“EUREKA” IN THE ROLE OF “FRIGATE”
the design consists of a float with an electric pump that is lowered into a barrel of water intended for irrigation. The drive uses a mechanical "heart" washing machine "Eureka" —...
