
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
“SINGING” INSTRUMENTS
"What to replace the gauge?" — this question often arose during the meeting with an interesting measurement scheme. Ohmmeter, voltmeter, test transistors — these devices are difficult to...
BELOVED CLASS
United States of America entered into the 20-ies of XX century, the only real winner. "The great war" is not only completely removed from the scene of one of main competitors — Germany,...