ukwazisa: Kwihlabathi lezixhobo zemizi-mveliso, ukuguquguquka kubalulekile.Njengezixhobo zamandla ezijikeleze indlu, okukhona umatshini ubhetyebhetyebhetyebhetyebhetyebhetyeka, kokukhona unokuguquguquka ngakumbi.Esinye sezixhobo eziguquguqukayo sisixhobo esine-hydraulic breaker, ekwabizwa ngokuba yi-breaker.Ezi zincamatheliso zinzima...
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