Ubushushu obuthe gqolo umatshini wokuthambisa ozenzekelayo
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Umatshini wokuSoda ngokuzenzekela kwisikhululo esiphindwe kabini
1 .Ngokweemveliso ezahlukeneyo, isantya sokufudumala sinokulungiswa.
2. I-Welding joints of special materials iqinisekisa ukuba imveliso ilungelelaniswa phantsi koxinzelelo.
