oxygen (chemistry)

to cut using oxyacetylene torch

to oxidize

alkoxy (chemistry)

oxyacetylene

oxidant; oxidizing agent

mercuric oxide (HgO)

oxide

Hopcalite canister; Hopcalite cartridge

calcium oxide, CaO; (slang) (used as a substitute for 肏[cao4], since CaO resembles cào)

uranium oxide

aluminum oxide

zinc oxide

magnesium oxide MgO

oxygen atom

oxygenator

oxygen effect

an oxyacetylene torch

oxyacetylene welding

iron(II) oxide; ferrous oxide

oxyacetylene torch