Thaum koj xaj tib neeg cov plaub hau txuas ntxiv, koj tuaj yeem ntsib ob lo lus no, kos ib qho thiab kos ob tus.
Cov plaub hau xaus: Feem ntau, ob chav twv remy plaub hau weft muaj thicker cov plaub hau xaus thiab ib twv remy plaub hau weft muaj thinner cov plaub hau xaus.
Ob chav twv plaub hau txhais tau hais tias qib qib siab lossis qib ntawm cov plaub hau mus ntxiv qis dua, yog li ntawd ob chav twv plaub hau hle cov plaub hau xav tias tuab yuav luag ze rau qhov xaus. Qhov sib piv ntawm peb ob qho kev kos yog 50% thiab 50%.
Tib qho plaub hau txhais tau hais tias qib siab los yog qib ntawm cov plaub hau muaj nruab nrab-txoj hauv kev uas qhov chaw pib ntom zuj zus thaum koj khiav koj cov ntiv tes hauv cov plaub hau. Peb muab ntau yam khoom ntawm ib tus neeg kos, piv txwv li, qhov piv ntawm peb qhov kos yog 40%, 30% thiab 30%.
Nqe: Tus nqi ntawm cov plaub hau kos ob tus nqi siab dua li cov plaub hau kos, cov plaub hau kos ib tus neeg tuaj yeem pheej yig dua, peb muab ntau cov khoom sib txawv ntawm cov plaub hau kos nrog tus nqi sib txawv.