
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
“HELLO” — “MOSCOW”
I homebrew with years of experience, have built and snowmobiles, and ATVs. But my biggest passion is boats. Despite today's gloomy everyday worries, I still find time to do what you...
WHO IS FASTER
You've probably heard: "he's Got good reflexes." Thicket just as they say about athletes. For example, the goalkeeper. He must react instantly to the ball rapidly flying into the net. Or...