1. Kev teeb tsa yeeb nkab
Thaum txhim kho cov kav dej, nws yog ib qho tsim nyog yuav tau siv cov kev pab ntawm lub tshuab vuam. Lub sijhawm no, cov yeeb nkab vuam tshuab yog cov cuab yeej siv. Thaum tib neeg txhim kho cov kav dej, nws yog ib qho tsim nyog yuav tsum tau siv cov yeeb nkab vuam tshuab. , vim tias hom khoom no twb yog cov khoom lag luam uas paub tab, nws muaj kev pheej hmoo ntau dua rau cov neeg xaiv cov khoom tshiab rau kev teeb tsa, yog li lawv tseem xav tau kev pab ntawm cov khoom qub. Rau cov yeeb nkab vuam tshuab hais lus, nws yuav tsum muaj nyob rau hauv cov txheej txheem kev teeb tsa.
2. Vuam
Niaj hnub no, raws li cov neeg kho tshuab quilting txuas ntxiv txhim kho, tib neeg muaj lub tswv yim zoo ntawm nws. Nyob rau hauv tus txheej txheem ntawm kev tsim nws, qhov tseem ceeb ntawm welding yog highlighted. Nyob rau hauv tus txheej txheem ntawm kev siv nws, nws yog feem ntau zoo dua. Tau lees paub, lub npe hu ua vuam tshuab yog qhov zoo heev, uas yog qhov zoo heev.
