scraping off completely defective area.
That there is no defect as required shape in welding work.
except to clean oil, water, and dust.
Part that there should not be a Zaku nest in the thick portion to remove 5mm deeper than the surface finish.
(5mm is deeper than finish side, and the point where there mustn't be the rucksack nest in Suchaspackingsealsurfaceofthevalvebodyexample)
wall thickness part deletes it.
翻訳されて、しばらくお待ちください..
