Amalambu angaqhumi asetshenziswa ikakhulukazi ezindaweni ezinamagesi avuthayo neziqhumane, njengezitshalo zamakhemikhali, zokucwenga, amasimu kawoyela, iziteshi zikaphethiloli, kanye nezimboni ezithaka imithi.
Amalambu angaqhumi asetshenziswa ikakhulukazi ezindaweni ezinamagesi avuthayo neziqhumane, njengezitshalo zamakhemikhali, zokucwenga, amasimu kawoyela, iziteshi zikaphethiloli, kanye nezimboni ezithaka imithi.