To drill from the opening in the wall, lined with tiles, for example in the bathroom, I first clean lazurevy layer rotational motion of an ordinary glass cutter, carbide wheel pressed in the center hole. Then the tiles can be easily and drill. G. NECHAEV, g Perm
Recommend to read
TEST QUARTZ
allows you to quickly verify the health of the quartz resonators. Diagram of the device consists of a generator (T1), detector (D1, D2) and DC amplifier (T2). By connecting the quartz to...
STIRLING ENGINE
The Stirling engine is a heat engine invented by Robert Stirling in 1816. It differs from the internal combustion engine because the fuel burns outside the engine, making it much...
