In recent years, with the increase of oxygen consumption, oxygen pipelines are used by large oxygen users. Due to the long pipeline and wide distribution, and the quick opening or closing of valves, the combustion and explosion accidents of oxygen pipelines and valves occur frequently. Therefore ...

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What is self tapping screw? As the name implies, it simply means a screw that can be tapped by itself. The difference between self-tapping screw and general screw is that the general screw must have a machined screw hole to screw in. Self tapping screw is not necessary, while screwing in t ...

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TSX VENTURE: PRYM Mr. Andrew Bowering reports: Vancouver, British Columbia–(Newsfile Corp. – December 20, 2018) – ePower Metals Inc. (TSXV: EPWR) (the “Company” or “ePower Metals”) has entered into a definitive agreement to purch ...

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