Hacksaw is a popular work tool, but in storage or transportation inconvenient “toothy” part of the saw is a potential danger of hand injuries. But the inconvenience of it disposable: enough to separate from the rubber or plastic hose suitable cut, cut it along and wear on the cutting part of such a case is completely protect the instrument.
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Among elastic oscillations of air, ultrasound (from Latin ultra — beyond, more, above), inaudible to the human ear and with a lower frequency limit conventionally taken as 20 kHz, has long...
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The trunk on the bike — a thing certainly useful, but it is not always convenient, Even a small load has to carefully consolidate. And here is a special bag that is patterned after the...
