A simple “opener” for metal cans with lacquer or varnish can be done in just a minute from block of wood and two nails.
Recommend to read
CITY BUS ZIS-16
A regular bus service in Moscow was opened in August 1924. Then the Russian plants has not yet produced buses - the capital had to be bought abroad. In 1938 the car plant in Moscow has...
Will find it even underground
The metal detector I developed has not yet been used in peacekeeping operations to detect and neutralize minefields, nor in large-scale geological or archaeological surveys. Designed not...
