Xauv lub valve (siv lub tes tsho tes tsho)
(1) kho thiab tu cov ntaiv kev siv roj ntsha, cov kav dej thiab cov kav dej, lub hau qub yuav tsum raug kaw thiab muab xauv.
(2) kho thiab tu cov khoom siv txuas nrog cov compressed air, nitrogen lossis cylinder gas, lub tshuab cua khov, cov hlua nitrogen lossis lub tog raj kheej yuav tsum raug kaw, muab xauv thiab tso tawm rau sab nraum cov khoom, ntxiv rau lub hwj chim rho tawm cov cuab yeej yuav tsum raug muab xauv; Tsis siv neeg ntshav tshuab, automatic ntshav siv lub tshuab, tsis siv lub tshuab siv lub tshuab plasma, siv lub tshuab tej ntshav, vuam tshuab, carbon arc pa gouging tshuab, vuam kab sib tsoo tshuab, micro-cua sov regenerative tshuab, tsheb nplaj tej tshuab , lwm yam zoo li
(3) cov khoom siv phom sij ib ntus, xws li cov kua nitrogen lossis nitrogen, cov neeg tsav tsheb yuav tsum kaw thiab kaw qhov chaw pov tseg ntawm cov khoom phom sij.
