It saves the construction cost and time of the foundation pit and solves the problem of pill sand rust and caking in the hoist caused by the storage of water in the pit.
☆ It kusindisa izindleko ukwakhiwa kanye nesikhathi emgodini isisekelo usombulule le nkinga of iphilisi isihlabathi nokugqwala caking ku ukuphakamisa kubangelwa kugcinwe amanzi emgodini.