gas cylinder

Wikidata

https://www.wikidata.org/wiki/Q774332

Pay attention to safe work when gas welding and gas cutting -- safe production wall chart 8

Pay attention to safe work when gas welding and gas cutting -- safe production wall chart 8 (1964, December)

Do a good job in fire prevention in industrial enterprises, to protect socialist economic construction

Do a good job in fire prevention in industrial enterprises, to protect socialist economic construction (early 1970s)

Proper use of fuel

Proper use of fuel (1981)

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