There are many ways to keep a ladder from slipping. The easiest “put on” her old sneakers or shoes with a rubber sole.
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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...
GLIDER OKTYABRENOK
Model glider Oktyabrenok (Fig. 1) simple in design. It can build every student. Needed for the production of pine slats, some plywood and tissue paper. And best of all such models to...