Any risks or scale deposited on metal or plastic surfaces of objects, will be seen more clearly if they are first covered with paint, and then wipe: deepening will save the leftover paint and would like printed.
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Opposed engine — beyond competition!
This two-cylinder engine, designated DD-700/40, was designed and built by Georgy Dorfman, head of the public design bureau "Aerosam". The motor turned out to be exceptionally successful:...
EXPRESS”STOPPER”
Quickly and securely "to drown out" the water pipe or radiator hose when testing it for leaks by using a simple device. By rotating the handle the rubber grommet sandwiched between two...
