In radio and electrical appliances are often the wire is passed in a hole made in the sheet metal. Sharp edges can break the insulation and cause a short circuit. Therefore, usually in the hole is installed a protective plastic or rubber grommet. Replace it with a home practice can tube of medical bottle: it is easy to make a hole with a hot metal rod and the edges to them — zavaliat.
Recommend to read
HEAT-RESISTANT PUTTY
Remember, we have the oven built of red brick, there was a crack. When you are kindling from it stretched a thin trickle of bluish smoke. My grandfather made a special putty and filled...
WHEN THE SLEEPER WAKES…
In the decade following the civil war greatest and bloodiest in American history, the United States experienced a steady rise. The country enjoyed its political and economic freedom,...
