If the steel bar drill a hole the same shape of the desired rivet, its manufacture takes only a few seconds, two or three blows with a hammer to cut aluminum wire inserted in the hole, and the rivet is ready. So it is convenient to extract out of shape, drill the bottom bar one hole and before inserting the workpiece to pass through the nails.
A. ZHURAVLEV, Apatity, Murmansk region
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