Mafotokozedwe Akatundu:
Chophimba chovindikira kawiri ndi chipangizo chapadera chowumitsira tinthu tating'onoting'ono ndi zinthu zomatira zonyowa (monga malasha osaphika, lignite, slime, bauxite, coke ndi zinthu zina zomatira zonyowa), makamaka Potengera kuti zinthuzo n'zosavuta kutseka chophimbacho, chophimba chovindikira kawiri chingathe kuchita bwino kwambiri pochiphimba ndi malo ochepa otchingira ndikuwonetsetsa kuti chotchingiracho sichikutseka mabowo. Zipangizozi zimagwiritsidwa ntchito kwambiri m'makampani opanga malasha, mankhwala a malasha, magetsi, Coke, zitsulo, zipangizo zomangira ndi mafakitale ena.