I-1, emva kokusetshenziswa kwamahlumela ensimbi kumele abekwe eshalofini elizinikezele, agcinwe embonini engenamoya, eyomile, ehlanzekile, ngokugcinwa ngesandla.

I-2, indawo engaphezulu kufanele ihlale ivikela ukugqwala, akuvunyelwe ku-asidi, i-alkali, usawoti, amagesi amakhemikhali nokugcinwa komswakama.

3, akuvunyelwe endaweni yokushisa ephezulu yokugcina indawo.

4, njalo uhlanze izingxenye ezijikelezayo, okothambisa njalo, ukuvimbela ukungqubuzana okomile, jamming mkhuba.