Embonini kawoyela negesi sijova amakhemikhali ngokulandelana:
• ukuvikela ingqalasizinda
• ukuthuthukisa izinqubo
• ukuqinisekisa ukugeleza
• kanye nokwenza ngcono ukukhiqiza
Amakhemikhali asetshenziswa kumapayipi, amathangi, imishini kanye nemithombo yamanzi.Kubalulekile ukugwema izingozi ezihambisana nemijovo.Amakhemikhali amancane kakhulu angaholela ezikhathini zokwehla noma acubungule ukuvaleka koketshezi, amakhemikhali amaningi kakhulu angalimaza ingqalasizinda futhi aholele emathangeni angenalutho noma enze kube nzima inqubo yokuvuselela.Kuphinde futhi kumayelana nokuminyana okulungile komkhiqizo kanye nokuxuba okulungile kwamakhemikhali amaningi.
