Recently, widespread ready-to-use putty marketed in plastic packages. Unfortunately, the use of such a package is not very handy: cut a hole in it with pressure on the pack often stretches or breaks, after which the unused balance of the putty dries. Using the elements of two identical tubes under any of the cream, you will get not only reliable packaging, but also a kind of device that allows to expand the Arsenal of plastering and painting tools. The figure shows the sequence of operations but the production of the package is a tube.
Recommend to read
PUMP-FLOAT
"No water and no amplitude, and no syudy..." This catch phrase from the pre-war Comedy "Volga-Volga" is very close and understandable to everyone who is associated with the earth, and...
MOPED “COTTON GROWER”
X all-Union week of science, technology and production for children and youth, held in January 1983 in the Uzbek capital, has raised a lot of interesting developments from many cities of...
