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
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To facilitate the movement of hooks for hanging curtains on the dural rail-ledge, offer to replace the metal calesini on the plastic, cut from a tube of suitable diameter. M. ASHKIN
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