The range of action of conventional clamps is significantly expanded, if the emphasis is extensible, as the wrench. It is done so. In an l-shaped bracket drilled and cut the hole for the clamping screw, and in its longest part — the holes for mounting the movable jaw. It is fixed with a pin or screw of corresponding diameter. V. DUDCHUK, S. kleschikha, Rivne region.
Recommend to read
A UNIQUE RESULT
Two world records set at international competitions in ship modeling Soviet athlete, master of sports of international class G. shahazizyan. It happened at the starts in the Bulgarian...
LADDERS, BUT WITH STEPS
Somehow, helping Ivan Andreyevich, the old man at seventy plus, to refurbish the ladder in the cellar, I noticed how difficult it is for him to come down, foot on the crossbar was...
