Ukusetshenziswa Kwezinduku Zethusi 1. Ingasetshenziselwa zonke izinhlobo zezingxenye ezijulile zokudweba nokugoba, njengezikhonkwane, ama-rivets, ama-washer, amantongomane, ama-conduits, ama-barometers, izikrini, izingxenye ze-radiator, njll.
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