In construction you often have to deal with the internal measurements. For example, to determine the distance between the form panels, the value of the window or doorway. A good assistant in such cases would be sliding ruler, made of tube and metal rod with applied risk. V. ANTIPIN
Recommend to read
THE NAIL WITH ONE HAND
Much easier working with a small nails can a upgraded hammer, with magnetic insert (see Fig.). To do this, cut a little wedge-shaped part of the firing pin, drill the socket for...
COMMAND CHANDELIER
The majority of apartments have internal wiring is three wires, one of which is zero, and the other two are derived for the switch. In the slot of the switch there are three wires, two...
