Isilinda segesi
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Diving oxygen cylinder, 20mpa high-pressure aluminiyam ialloy gas cylinder,0.35L 0.5L 1L 2L yangaphandle diving cylinder encinci yegesi.
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ethylene (H2C=CH2), eyona ilula ye iikhompawundi eziphilayo eyaziwa ngokuba zii-alkenes, eziqulathe i-carbon-carbon double bonds.
