Ntau tus xav paub ntau ntxiv txog tus nqi ntawm cov kab xev, uas yog feem ntau siv hauv kev nthuav tawm. Yuav tsum tsis kim? Qee cov neeg siv khoom tsis nkag siab txog tus nqi ntawm cov kab xev thaum lub sijhawm yuav khoom, yog li tus nqi lag luam txawv, qee tus nqi pheej yig, qee tus nqi kim, tsis paub yuav xaiv li cas.
Bucky daim kab xev tuaj yeem ua ke. Nws muaj ntau yam xim thiab tuaj yeem siv nrog cov ntaub pua plag ntawm cov xim sib txawv. Cov kua nplaum yog ua los ntawm cov roj hmab hluavtaws zoo lossis cov roj hmab ntuj, nrog cov viscosity siab thiab muaj zog tensile tsis kam. Yog tias tus neeg siv tsis tso cov kua nplaum uas seem nyob hauv qhov kev nthuav qhia, koj tuaj yeem xaiv cov roj hmab ntuj oh, cov roj hmab hluavtaws yuav yog me ntsis ntawm cov kua nplaum uas seem.
Koj muag daim kab xev nyob qhov twg? Nantong zhonghao nplaum cov khoom tuaj yeem ncaj qha mus yuav, cov tuam txhab kev txhawb nqa tus kheej, qauv dawb, tuaj yeem muab cov kev daws teeb meem tshwj xeeb rau kev lag luam, xav tau cov khoom lag luam tuaj yeem tiv tauj ncaj qha rau cov neeg siv khoom, tuaj yeem hu ncaj qha, txais tos koj kev sib tham thiab kev yuav khoom
