13. Dab tsi yog lwm txoj hauv kev vuam?

Ntxiv nrog rau siab - zaus vuam, muaj arc vuam thiab kuj vuam.
13.1. Dab tsi yog arc vuam?
Arc vuam yog kom yaj tus ntug ntawm cov hlau phaj los ntawm cov cua sov tsim los ntawm arc thiab ntxiv vuam cov ntaub ntawv rau vuam. Arc Vuam yog qhov haum rau kev tsim cov welded kav dej ntawm ntau cov ntaub ntawv thiab cov kev qhia tshwj xeeb, tab sis kev tsim tawm ntau yog tsawg.
13.2. Dab tsi yog tus tawm tsam vuam?
Kuj vuam yog siv cov tsis kam kub kub tsim thaum cov kev sib tw tam sim no los ntawm kev siv Weldment kom yaj thiab Weld Weldment. Kuj vuam muaj qhov zoo vuam ceev thiab me me kub- kev lag luam cuam tshuam yog loj.