Uhla lwesicelo sokufakelwa kwezimboni

Imboni yamakhemikhali, imboni yezimoto, imboni yokuthumela imishini, izimayini kanye ne-metallurgy, imboni yokudla, isiteshi samaphepha, imboni yegesi, imboni kagesi, imboni ye-tobac, imboni yezolimo, imboni engenhla ifaka umshini wokupholisa.