Ua ntej tshaj plaws, koj yuav tsum muaj kev paub txog kev lag luam, tau kawg, tus nqi yuav tsum nyob hauv koj tus kheej tus nqi pheej yig; Qhov thib ob yog saib cov khoom ua haujlwm ntawm cov khoom, lub zog thiab thickness ntawm cov khoom; thiab thaum kawg muab piv rau aluminium qhov rooj thiab lace txheej txheem.
Cov teeb meem zoo. Nyob rau hauv txoj kev no, koj tuaj yeem txiav txim siab ua ntej txog qhov zoo thiab cov txheej txheem teeb meem ntawm lub qhov rooj aluminium, thiab koj tuaj yeem kho lub qhov rooj aluminium raws li lub caij nyoog ntawm kev ua lag luam, feem ntau yog ib nrab xyoo ntawm lub caij nyoog, thiab muaj. tej zaum yuav muaj teeb meem zoo thaum muaj ntau qhov kev txiav txim.
Qhov kawg taw tes yog cov chaw tsim khoom cov txheej txheem kev lag luam, lub sijhawm tsim kho, kev pabcuam kev teeb tsa, tom qab muag, thiab kev saib xyuas txhua hnub. Yog li ntawd, thaum xaiv cov chaw tsim khoom, nws yog ib qho tsim nyog yuav tsum xaiv cov chaw tsim khoom loj, uas tuaj yeem ua kom ntseeg tau tom qab muag thiab cov teeb meem zoo.
