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
INSTEAD OF GLOVES
Keeps my hand covered with corns during garden work with a rake or a shovel, some choose to wear gloves. But on a hot summer day it is hot, hands sweating. But such ring fabric lining...
The AIRBOAT
In front of you a drawing of a simple model with electric motor and propeller. The real boats of this type are used in shallow rivers where conventional marine propeller can be damaged....
