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
FORK SNOW?
Indeed, and pitchforks to clear the snow from the tracks, inserting between the spokes a metal sheet or plywood. Its even secure don't have: during operation, the sheet itself will be...
AS FROM A TUBE
When sealing cracks and crevices, repair wooden and metal surfaces many assume to use nitroshpaklevok: it quickly hardens. But precisely because of this, the quality of the retrieved...