1. I-welding kufanele iqine futhi ithembekile, futhi i-solder ebusweni obungaphandle bezingxenye kufanele igcwaliswe endaweni, ingashiyi izikhala.2. I-welding seam kufanele ibe yinhle futhi ifane, futhi akukho sici esifana nokuqhekeka, ama-undercuts, izikhala, ukushisa, njll.Akufanele kube khona amaphutha anjalo ...
Funda kabanzi