When processing the surface of any material, whether metal, plastic or wood — always a problem: how best to fix sandpaper to make it easy to work with. In this case, can help out an ordinary soap box, type the road. Open the cover and wrapping the capacity of the sandpaper, fold the edges inside the soap dish and again cover: the skin will be fastened securely.
Recommend to read
WHO IS FASTER?
Our magazine has already told about this exciting game, made on the electromagnetic relay (see "M-K" №1, 1976). And today hams instead of contact devices are widely used in their...
SKIING — IN THE AIR
In the third issue of our journal in 1968 published a description of the design of snake-gibralta for water skiers, created by the pioneer of this sport in the USSR — Alexander Casein....
