Lub tsev txawb yog lub tsev ib ntus, txav tau, los yog lub tsev txawb, lub tsev prefabricated, lossis lub tsev yooj yim. Nws yog tsim los ntawm ntau chav nyob thiab tuaj yeem ua ke, disassembled, thiab txav tau raws li xav tau hauv ntau qhov xwm txheej.
Muaj ntau hom chav ua yeeb yam, uas tuaj yeem muab faib ua chav ua haujlwm hauv chaw ua haujlwm, chav ua haujlwm pabcuam, chav ua lag luam, chav ua yeeb yam, chav ua yeeb yam, thiab lwm yam raws li lawv lub hom phiaj; Raws li cov ntaub ntawv, nws tuaj yeem muab faib ua steel qauv chav ua haujlwm, chav ua haujlwm lub teeb steel, chav ua haujlwm steel ntoo, chav ua haujlwm xim hlau phaj, thiab lwm yam.
Cov tsev ua yeeb yam muaj ntau yam kev siv, tsim nyog rau chaw ua haujlwm hauv chaw ua haujlwm, kev pabcuam tam sim, kev nthuav qhia thiab tso saib, kev lag luam kev lag luam, chaw tsim kho, chav kawm ib ntus hauv tsev kawm ntawv, thiab lwm lub sijhawm. Cov tsev ua haujlwm muaj qhov zoo ntawm kev tsim kho sai, hloov tau yooj yim, kev nyab xeeb thiab kev nplij siab, ua rau lawv xaiv rau kev lag luam sib txawv.