Lub cav nyob hauv tus ceev xwm [1] yog tsim raws li cov qauv sib txawv ntawm lub cav, lub cav ua kom tsis txhob muaj kev cuam tshuam rau lub cav, qhov thib ob yog tsav tsheb los ntawm kev puas tsuaj rau lub cav nrog kev puas tsuaj rau sab nraud thaum mus ncig
Kev sib faib
Cov yas yas: tus nqi kuj tseem pheej yig, cov txheej txheem tsim khoom yog qhov yooj yim thiab tsis tas muaj peev txheej peev nyiaj thiab cov khoom siv muaj nuj nqis tsim txiaj, kev tsim khoom muaj nuj nqis ntawm cov thawj coj ntawm pawg thawj tswj hwm yog qhov tsawg.
Resin: Cov ntaub ntawv tsuas yog yas, tab sis tus piv tau siv hauv kev tsim khoom sib txawv, thiab nws tsis daws cov teeb meem ntawm kev sib tsoo tsis pub thiab kav ntev.
Hlau: Thaum cov khoom siv tau teev npe los ntawm cov neeg siv khoom lag luam thiab cov khoom siv ntawm cov roj hmab, tuaj yeem daws cov roj hmab rov qab, qhov no yog thawj ob tiam ntawm kev tiv thaiv pawg thawj coj saib Tsis muaj, yog li cov pab tiv thaiv steel tam sim no nyob rau hauv kev ua lag luam ntev tshaj plaws, tab sis nrog cov neeg siv khoom lag luam txuas ntxiv ntawm cov neeg siv thev naus laus zis tau maj mam rho tawm ntawm theem kev ua lag luam.
Tech: Yas sau ntawv tau ua tiav los txhim kho ntau txoj kev, yog tsuas yog cov khoom siv yas, tsuas yog cov khoom siv yas thiab cov khoom siv yas thiab tsis tuaj yeem muab kev tiv thaiv kev tiv thaiv lub cav.
Aluminium alloy, txhuas tag nrho cov phaj ntawm cov khoom lag luam tshiab, yog qhov hnyav dua, yog li cov pab pawg muaj dej sov, yog li cov pab pawg muaj dej sov, kuj tau pib siv nws ua cov ntaub thaiv cov ntaub thaiv siv.
