Zonke izinto ezihlanganisiwe zizinzile nge-hydrolytically futhi zihambisana nawo wonke uketshezi olujwayelekile lokuqeda kahle, okuhlanganisa negesi enomfutho ophezulu.Ukukhethwa kwezinto kusekelwe ezimisweni ezihlukahlukene, okuhlanganisa izinga lokushisa elingaphansi kwe-bottomhole, ubulukhuni, amandla aqinile nokudabula, ukumuncwa kwamanzi kanye nokungena kwegesi, i-oxidation, nokuhuzuka kanye nokumelana namakhemikhali.