>Isembozo senjoloba, esenziwe ngezinto ezimelana namakhemikhali, sinokugqwala okuhle okulwa namakhemikhali kanye nempahla ebonakalayo.
> Yenzelwe ngokukhethekile ukuphatha izinto ezingancibilikisa, zinwebe noma zonakalisa ibhande.
> Ilungele ukudlulisa izinto ezinokugqwala kwamakhemikhali ezimbonini zamakhemikhali, izimboni zikamanyolo wamakhemikhali, izigayo zamaphepha, imboni yezimayini, njll.
