Njira zachitsulo zimapangidwa ndi zitsulo, zomwe nthawi zambiri zimakhala ndi mbale zachitsulo ndi zitsulo zachitsulo. Amagwiritsidwa ntchito kwambiri pamakina olemetsa monga zofukula, ma bulldozers, crusher, chobowolera, zonyamula ndi akasinja. Poyerekeza ndi njanji za mphira, mayendedwe achitsulo amakhala ndi ...
Werengani zambiri