Uma kukhulunywa ngamaphrojekthi wokwakha nokubhidliza, ukuba nemishini efanele kubalulekile ukuze umsebenzi wenziwe ngempumelelo nangokuphepha.Ikakhulukazi, ama-jackhammer angamathuluzi abalulekile okuphula ukhonkolo, i-asphalt, nezinye izinto eziqinile.Nokho, ukuqinisekisa ukuthi...
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