Ukwandisa ulwazi ngempilo kudityaniswe nobunzima bokuwelda ngokwesiko kukhokelele ekubeni babe mbalwa abantu abancinci. Ukuwelda kwelaser ephathwayo kukuzingca ngokusebenza okuphezulu, ugcino lwamandla kunye nobuhlobo bendalo esingqongileyo, ngokuthe ngcembe ithatha indawo yeendlela zokuwelda zemveli. Iindidi ezahlukeneyo ze-TEYU zokupholisa amanzi ziyafumaneka kumatshini wokupholisa, ukuphucula umgangatho we-welding kunye nokusebenza kakuhle kwe-welding, kunye nokwandisa ubomi boomatshini bokuwelda.