To measure the thickness or diameter of small fasteners do not have to have a caliper: rescue improvised version of conventional clothespins. It is sufficient to attach the metal plate coated with graduations as shown in the figure. I. KORENEV, Korolev, Moscow region
Recommend to read
FLEET OF HOMEMADE
"Born, live and work in rural areas, writes to the editor our reader N. Kurbatov from the village of Borisovka-2 Belgorod region. Since his school years always was doing something: model...
SHOES FOR CHAIR
The furniture does not scratch the floor, legs are usually glued circles of felt or leather. But if the chairs or armchairs (the most "moving" items) are on the shag floor covering or...
