Raws li peb txhua tus paub, lub raj square feem ntau yog ua los ntawm steel lossis steel phaj vuam. Cov txheej txheem tsim khoom tshwj xeeb yog raws li hauv qab no:
Kev npaj cov khoom siv raw: siv steel yob, welded xov hlau thiab welds ua raw khoom. Cov ntaub ntawv nyoos no yuav tsum tau tshuaj xyuas nruj me ntsis ua ntej kev nqis peev.
Nqa steel taub hau thiab tus Tsov tus tw docking: siv ib leeg-silk lossis dual-wire faus arc vuam, thiab tom qab ntawd yob rau hauv ib lub raj square galvanized. Tom qab dov mus rau hauv ib lub raj square, tsis siv neeg faus arc vuam yuav siv los ntxiv vuam.
Pre-forming kev kho mob: nqa steel yog du, txiav, npaj, thiab nto tu thiab thauj.
