Ukuhlolwa kwemishini 1. Ngaphambi kokuthi usebenze, ukhreyini webhuloho kumele uhlolwe ngokugcwele, okuhlanganisa kodwa kungagcini nje kuphela ezintweni ezibalulekile njengezintambo zocingo, amahhuku, amabhuleki amabhuleki, izikhawuli, kanye nemishini yokusayina ukuze kuqinisekiswe ukuthi isesimweni esihle. 2. Hlola ithrekhi ye-crane, isisekelo nendawo ezungezile...
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