
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
Amphibious vehicle “SHAH”
While still a student at the Faculty of Industrial and Civil Engineering, my father quite often fantasized about technology, transport and various self-propelled mechanisms. I remember,...
VITAMIN COMBINE
Commercially available household juicer electric have low productivity, and fruit in the chopper have to lay manually one by one. The housing of the centrifuge has a very small capacity...