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Chav dej khov
Cov lus piav qhia: Rau cov neeg siv khoom lag luam me me thiab cov neeg siv khoom uas tuaj yeem siv cov dej khov ntawm qhov ib txwm muaj nyob rau nruab hnub, lawv tsis tas yuav nqa lub tub yees rau lawv chav dej khov. Rau chav dej khov loj loj, cov tub yees yuav tsum nyob twj ywm hauv qhov kub thiab txias kom cov dej khov tuaj yeem khaws cia rau hauv yam tsis tau yaj mus ntev. Cov chav dej khov yog siv los khaws cov dej khov flake, thaiv cov dej khov, cov hnab ntim dej khov thiab lwm yam. Nta: 1. Txias cia board rwb thaiv tsev thickness ...
