Cov Khoom Uas Yas Ntoo Yas Ntoo

1. Cov khoom muaj kev ua haujlwm zoo tib yam li cov ntoo. Nws tuaj yeem raug nailed, drilled, txiav thiab sib raug zoo. Nws yog kev cob cog thiab tsau nrog rau tes los yog tho bolts. Nws nto yog du thiab muag heev. Nws tsis tas yuav xuab zeb thiab xim. Nws cov xim muaj nplaum zoo thiab yuav pleev xim raws li tus kheej nyiam. 2. Cov khoom muaj lub cev zoo tshaj lub cav, zoo dua qhov chaw ruaj khov dua ntoo, tsis muaj kab nrib pleb, warping, tsis muaj pob zeb tawg, twill. Cov xim muaj hlau, zaj duab xis los yog cov khoom sib txig sib npaug yuav muab ntxiv los ua kom muaj yeeb yuj khoom, yog li tsis muaj kev txij nkawm. 3. Muaj peev xwm ua kom tau raws li ntau yam kev qhia, qhov ntau thiab tsawg, qauv duab, thicknesses thiab lwm yam kev xav tau, uas kuj muaj kev tsim ntau yam qauv, xim thiab cov khoom ntoo, kom cov neeg tuaj yeem xaiv ntau yam. 4. Cov khoom muaj cov khoom zoo xws li hluav taws kub, tsis muaj dej, tsis muaj zog-resistant, tsis muaj kab-resistant, tsis muaj kab, tsis muaj pwm, acid-alkali-resistant, non-toxic, tsis muaj paug thiab tsis muaj nqi. 5. Cov khoom muaj xws li ntoo tsoo, nyuaj dua cov yas, lub neej ntev, thermoplastic molding, siab zog thiab lub zog txuag. 6. Cov khoom muaj muaj zog, nyhav, sov txuag, npliag plag, tsis muaj formaldehyde thiab lwm yam tshuaj phem, tsis muaj taug thiab tsis muaj pa phem.