Imishini yokupakisha impushana isetshenziswa kakhulu ekufakweni komthamo wokudla, imithi, izithasiselo, amakhemikhali, isitashi, izibulala-zinambuzane, okuphakelayo, okuyimpushana kanye nezinto eziwuketshezi oluwuketshezi, futhi ukubaluleka kokukhiqiza nokusetshenziswa kuyabonakala.

