The simplest compass is a magnetized metal needle mounted in such a way that it can spin freely. (You can make one yourself by magnetizing an ordinary needle, placing ...
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Uniseals and grommet/barb fittings are an economical fast ... Uniseals are manufactured from a chemical resistant rubber-like ... Makes a tight waterproof seal.
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sec-Butyl alcohol Compound Information and Applications for GC (Gas Chromatography) ... 2-Butanol CAS # 78-92-2. Compound Structure and Properties. Molecular Weight:
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