Everybody knows to “hide” the head of the screw or nail, a hole must be countersunk. In a domestic environment this operation is usually large diameter drill. But it kvostik drill does not fit, and have to work in the “manual mode”. If the holes a lot, mozopi provided. To avoid them it is necessary to equip the drill very ordinary wooden handle of a file or screwdriver.
Recommend to read
F4U CORSAIR IN THE SERVICE
It is believed that his first sortie in world war II Corsair fighter made on 12 February 1943. On this day a dozen of these aircraft from squadron VMF-124 arrived at Henderson airfield...
Dump shovel
It would seem that a shovel is such a simple tool that changing or improving its design is hardly possible. A handle and a blade—that’s the whole device. Nevertheless, there are many...