Lapho okokusebenza noma amathuluzi kulungiswa, kunakekelwa noma kuhlanzwa, umthombo wamandla ohlobene nezinto zokusebenza uyanqanyulwa.Idivayisi noma ithuluzi ngeke kuqale.Ngesikhathi esifanayo, yonke imithombo yamandla (amandla, i-hydraulic, air, njll.) ivaliwe.Inhloso: ukuqinisekisa ukuthi akekho umsebenzi noma umuntu ohlobene ...
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