⑴ Ukushisela okubuthakathaka, ukubola, ukugoqa okubandayo;
Isizathu: Amandla okukhiphayo nokucindezela kuncane kakhulu.
Isixazululo: 1 lungisa amandla; 2 lungisa amandla e-extrusion.

⑵ Kukhona ama-ripples ezinhlangothini zombili ze-weld;
Isizathu: I-engeli yokuvula inkulu kakhulu.
Isixazululo: 1 lungisa indawo ye-roller eqondisayo; 2 lungisa ingxenye yokugoba okuqinile; 3 khulisa isivinini sokushisela.

⑶I-weld inemigodi nemigodi ejulile;
Isizathu: Ukushiswa ngokweqile kwenzeke.
Isixazululo: 1 lungisa isikhundla se-roller eqondisayo futhi ukwandise i-angle yokuvula; 2 lungisa amandla; 3 khulisa isivinini sokushisela.

⑷ I-weld burr iphakeme kakhulu;
Isizathu: Indawo ethinteke ekushiseni ibanzi kakhulu.
Isixazululo: 1 khulisa isivinini sokushisela; 2 lungisa amandla.

⑸ Ukufakwa kwe-slag;
Isizathu: Amandla okufaka makhulu kakhulu futhi isivinini sokushisela sihamba kancane.
Isixazululo: 1 lungisa amandla; 2 khulisa isivinini sokushisela.

⑹Ukuqhekeka kwangaphandle ku-weld;
Isizathu: Izinga lensimbi yesisekelo alilungile; ifakwa ngamandla amaningi okucindezela.
Isixazululo: 1 isiqinisekiso impahla; 2 lungisa amandla e-extrusion.

⑺I-welding engalungile, i-lap welding
Isizathu: Ukunemba kabi kokubumba.
Isixazululo: Lungisa ukwakha i-mold roll yeyunithi.