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#odorant #gas leak #warning smell #mercaptan #gas safety #natural gas odor

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#lpg #gas cylinder #flammable gas #gas hazard #propane warning #butane warning #liquefied petroleum gas #gas safety

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#flammable gas #gas safety #pressure vessel #lpg #compressed gas

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#hazardous gas #flammable gas #gas safety #compressed gas warning #high pressure cylinder #industrial hazard

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#welding flashback #gas safety #torch safety #flashback arrester #hose fire #reverse flow

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#flammable gas hazard #gas safety #fire warning #compressed gas symbol #GHS pictogram #tamzah