Ukuqhelana Injongo yokugcinwa rhoqo kwi-excavators kukunciphisa ukungaphumeleli komatshini, ukwandisa ubomi bomatshini, ukunciphisa ixesha lokunciphisa umatshini, ukuphucula ukusebenza kakuhle kunye nokunciphisa iindleko zokusebenza.Ngokulawula i-fuel, i-lubricant, amanzi kunye nomoya, ukusilela kungancitshiswa ngama-70%.Ngapha koko, malunga ne-70% yokusilela ...
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