With prolonged use of a blowtorch is often out of order pump mounted in the housing. Offer instead of the piston set machined fitting with valve core inner tube, which is secured by a regular nut with a gasket made of petrol-resistant rezny. Now the injection of air can produce a conventional automotive pump. A. PIPALUK, Lutsk
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“…TO UNWIND THE YARN,”
Fingering binder "Modeller-designer", I found in No. 11 for the year 1978 note "Fixture austere". It was about the simplest device which can be used to facilitate the rewinding of the...
INSTEAD OF SPECIAL — ORDINARY
Cast in many industrial products have long been used mortgages (anchor) bolts with special heads, such that not only pull, but rotate can't. With the advent of high strength composite...
