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
BY “DIMLY”
As a rule, in all our homes — three-wire system on the chandeliers, combined with the series switches, providing three options of illumination. For patipanno chandeliers — two, three and...
CELLAR ON THE BALCONY: A POSSIBLE VARIANT
Long-term storage of fresh vegetables and fruits — the whole problem, especially in urban environments. Having carefully studied the publications of minigranules ("M-K" No. 2, 1984,...