In cases when you want to prevent turning of the screw, screwed into a Board or plywood, I use a very simple way. Of stiff wire or a nail, whose diameter corresponds to the width of the slot of the screw, hollow out a U-shaped bracket and pin it as shown in the figure. Upon entering the slot, it securely holds the screw.
S. DUBINSKY, Kiev
Recommend to read
- BELTS GLOVES FROM
An open belt is rubber ring at the tape recorder or a player — it happens not so often, but because surprised. However, a good housewife can always find an old rubber glove. Select the... - TRIPLE LASER
Recent studies have shown that laser beams act on the seeds of agricultural plants as an active stimulant, arousing in them the reserve force, increasing productivity, zastausia from...