Imishini yokupheka ibhekisela ochungechungeni lwemishini esetshenziswa enqubweni ye-carbonization kanye ne-coking ye-organic matter, esetshenziswa kakhulu ekufakweni kwe-distillation yamalahle kanye nenqubo yokupheka uwoyela osalayo ekucutshungulweni kwe-petroleum.
Funda kabanziAma-excavators amancane asetshenziswa kakhulu ezindaweni zokwakha, ukunakekelwa kwemigwaqo, ubunjiniyela bakamasipala, ukuhlelwa kwezindawo kanye neminye imikhakha. Ingasetshenziselwa ukumba inhlabathi, isihlabathi, amatshe nezinye izinto, kanye nobunjiniyela besisekelo, ubunjiniyela bokuhambisa ama......
Funda kabanzi