Hauv kev faib cov iav, nws tuaj yeem muab faib ua cov iav iav thiab cov iav tsis muaj iav raws li seb puas muaj cov ncej sab nrauv los yog tsis. Daim iav tsis muaj thav duab tuaj yeem raug hu ua cov iav tsis muaj iav, ua raws li cov iav pleev xim tsis muaj iav lossis iav chav dej tsis muaj iav. Nyob rau hauv daim iav thav duab, cov iav sib txawv tuaj yeem txawv raws li qhov sib txawv ntawm cov thav duab sab nrauv. Piv txwv li, ib daim iav uas ua los ntawm cov ntoo yog hu ua cov khoom ntoo framed daim iav, thiab daim iav uas ua los ntawm cov hlau tsis muaj steel hu ua stainless hlau framed iav. Ntxiv mus, tseem tuaj yeem muab faib ua cov ntoo ncej chav dej iav thiab khoom ntoo ncej pleev iav, stainless hlau ncej chav dej iav thiab stainless hlau ncej pleev iav, thiab lwm yam ...
Khoom ntoo ncej iav. Tom qab daim iav ntxiv nrog cov khoom ntoo, vim tias lub thickness ntawm cov khoom ntoo yog loj dua li ntawm daim iav, nws yuav tsum tau recessed me ntsis. Feem ntau, daim iav framed yog ib daim iav recessed rau hauv lub thav duab los yog nyob rau tib theem li tus ncej. Ib daim iav protruding los ntawm daim iav.
Yog tias koj txaus siab rau peb cov khoom, thov mus saib www.hkram.com kom paub ntau ntxiv.