Txiav kua nplaum tov

Lub kua nplaum sib xyaw ua cov raj yog muaj ntawm cov kab ntawm sab laug thiab sab xis tuaj teem thiab ze sab hauv. Thaum kua los ntawm lub raj, nws yuav txiav thiab rov qab ua kom tsis tu ncua kom ua rau ob qho kev sib xyaw ua ke thiab muab cov kua tsawg nrog cov nqi qis. Siv cov khoom lag luam zoo li qub tuaj yeem cawm tau lub peev xwm, muab cov khoom lag luam tawm, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, epioxy, epioxy resin, pev) .according rau cov yam ntxwv Ntawm ob - sib xyaw ua ke} qhov sib xyaw sib xyaw, yog li kom tau daws tau zoo dua los daws cov haujlwm ntawm ob {{}}} cov khoom siv sib xyaw ua ke.