Ubuvuzi bwo hejuru nuburyo bwo gukora ibihimbano byububiko bifite imiterere itandukanye yubukanishi, umubiri nubumashini biva muri substrate hejuru yubutaka bwa substrate, ni ugusukura, guhanagura, deburr, degrease, no kumanura hejuru yubuso bwakazi.
Intego yo kuvura hejuru ni ukuzuza ruswa, kwambara, kurimbisha cyangwa ibindi bintu byihariye bikenewe mubicuruzwa no kubice byabigenewe.