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
FLYING THE “FUNNEL”
In one of the reports of competitions rocketmodeler I noted an unusual model sports class Ѕ6А famous athlete Nikolay Sergeeva from Belgorod. How many know it, and you know we have more...
THE STOCK DOES NOT PULL HIS POCKET
Paradoxically, but in the early 60-ies of the last century escort fleet the largest sea powers of the world — the United States of America — was in very poor condition. It is based on...
