Kev Paub

Dab tsi yog qhov sib txawv ntawm cov khoom siv perforated?

Yog perforated hlau los xij ib puag ncig tus phooj ywg

Kev sib piv ntawm qhov zoo thiab qhov tsis zoo ntawm cov ntaub pua rooj iav thiab ncej}}}} hom ntaub hlau kab hlau

Dab tsi yuav tsum tau sau tseg thaum xaiv iav kab hlau rhuav phab ntsa?

Koj paub ntau npaum li cas txog cov iav kab hlau uas iav?

Yuav ua li cas zoo unitized kab hlaule phab ntsa kov huab cua rau ntev ntev

Chav Tsev Cov Kab Hlau Sib Tw Ua Kev Xaiv Zoo Rau Niaj Hnub Ua Siab Loj Facades

Dab tsi yog txhuas cov ntawv perforated?

Dab tsi yog qhov zoo ntawm txhuas daim hlau?

Tsis khov txhuas tsis muaj xeb?

Dab tsi yog qhov sib txawv ntawm txhuas vaj huam sib luag thiab cov sib txuas sib npaug ntawm txhuas?

Vim li cas ntau pawg neeg siv khoom tab tom xaiv cov tuam tsev zais zais kem kab hlau