Ukutsha, ephawulwa kukusabela okukhulu kweekhemikhali ezivelisa ukukhanya nobushushu, ayisoloko ixhomekeke kubukho beoksijini.
I-Magnesium iyakwazi ukutshisa nakwigesi ye-carbon dioxide;
Iintsimbi ezifana ne-aluminiyam kunye nobhedu zinokutsha kwigesi yesulfure, ngocingo olufudumeleyo lobhedu oluvelisa into emnyama;
Kwimeko yeklorine, izinto ezifana ihydrogen, ucingo lobhedu, ucingo lwentsimbi, kunye ne-phosphorus ziyatsha, kunye nehydrogen ekhupha idangatye eliluthuthu xa litshisa kwiklorini.