1. Gwema ukufakwa komshini empompini yamanzi, umsakazo onamandla amakhulu, ukuguqulwa kwemvamisa, okungukuthi, kukhona insimu enamandla kazibuthe kanye nokuphazamiseka kokudlidliza;2. Khetha ipayipi kufanele ibe iyunifomu futhi iminyene, kulula ukudluliswa kwe-ultrasonic yengxenye yepayipi;3. Ukuba ne-str eyanele...
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