1. Tag nrho cov khoom yuav tsum raug txiav kom raug, nrog kev tso cai ntev sib txawv ntawm 1 hli. Ua ntej kev tsim kho thiab txiav, lawv qhov ncaj yuav tsum tau kuaj xyuas; txwv tsis pub, straightening yog yuav tsum tau.
2. Thaum lub sij hawm vuam, vuam pas nrig lossis hlau yuav tsum tau sib haum nrog cov khoom siv vuam, thiab daim ntawv pov thawj ntawm lub Hoobkas yuav tsum tau muab.
3. Thaum lub sij hawm welding, cov ntsiab lus weld ntawm cov khoom yuav tsum ruaj khov, lub vuam seam yuav tsum puv, thiab cov vuam ripple ntawm qhov chaw vuam yuav tsum yog 1. Qhov tsis xws luag xws li undercut, incomplete penetration, tawg, overlaps, burn-los ntawm, arc khawb, arc craters, thiab pinholes raug txwv. Yuav tsum tsis muaj spatter nyob rau hauv qhov chaw vuam. Yog tias muaj qhov tsis tuaj yeem vuam, lub vuam slag yuav tsum tau muab tshem tawm ua ntej kho vuam.
4. Sib tsoo yuav tsum du thiab txawm, tsis muaj vuam slag, ntiav chips, burrs, los yog tsis muaj kev sib tsoo. Cov pob qij txha yuav tsum nruj, tsis muaj kab nrib pleb, warping, lossis cov cim ntawm kev puas tsuaj.
5. Tom qab vuam, lub vuam slag yuav tsum tau muab tshem tawm kom huv si.
6. Cov xim pleev xim rau saum npoo yuav tsum du thiab zoo ib yam, tsis muaj xim sib txawv lossis tsis muaj xim xim. Qhov saum npoo yuav tsum du thiab zoo ib yam, tsis muaj qhov tsis xws luag xws li wrinkles, npuas, pores, sagging, tawg, inclusions, stickiness, thiab khawb.
7. Qhov siab, qhov sib nrug, thiab kev teeb tsa ntawm cov cam khwb cia hlau railings tsim los ntawm cov chaw tsim khoom yuav tsum ua raws li cov qauv tsim. Qhov ntsug qhov sib nrug ntawm cov railings yuav tsum tsis pub tshaj 110 hli, thiab qhov sib txawv ntawm qhov tso cai yuav tsum tsis pub tsawg tshaj 3 hli. Qhov ncaj ntawm lub dav hlau ntsug ntawm txoj hlua yuav tsum tsis pub tshaj 3 hli, thiab qhov ncaj ntawm lub dav hlau kab rov tav yuav tsum tsis pub tshaj 4 hli.