You need to carefully pour a viscous liquid (e.g. oil paint) from banks in a narrow-necked container or to fill in the gaps with the heated tar or mastic? Here you will rescue this type of nozzle, made of half cap from the same banks, tightly inserted in holes on the tube spout.
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In this issue we introduce young innovators, participants of operation "the Introduction" with an unusual method of drying developed in Nikolaev. At our request about it, say the authors...
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To tighten the screw or screw in the narrow and in-depth place, the craftsmen make various simple devices for the temporary retention of fasteners. Here is one of them — using two...
