Thov xaiv qhov yog thaum xaiv lub hnub ci. Txhob ntsia ntsoov qis tus nqi qis. Lub hnub ci tsev yuav tsum tsis txhob tsuas yog nyob rau hauv cov tsos mob, tab sis tseem faj txog kev tiv thaiv ib puag ncig ntawm cov ntaub ntawv. Lub tshav ntuj kub qis yuav vau rau ib qho tshuaj lom thiab ua phem rau nws ntev. Peb noj qab haus huv. Yog li ntawd, nws yog ib qho tsim nyog rau peb xaiv ib tus tshiab cov khoom noj khoom haus tshiab, tsis muaj tshuaj lom, tsis muaj tsw, tsis haus luam yeeb, tiv thaiv kev kub ntxhov, tiv thaiv hluav taws xob tiv thaiv hluav taws xob. Thaum xaiv cov ntaub thaiv, peb yuav tsum xaiv cov nplaim hluav taws kub kom tsis txhob muaj hluav taws kub, ua rau mob tsis zoo. Cov nram no yog peb lub tuam txhab lub hnub ci zoo rau koj siv:
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Lub hnub ci feem ntau yog tsim ntawm PVC. Thaum tsav tsheb tawm lub caij ntuj sov, lub hnub ci tau muab tso rau ntawm lub khob ntawm lub tsheb nrog lub khob phom sij, uas tuaj yeem thaiv cov hnub ci thiab lub mesh qauv, uas ua rau txoj kev tsav tsheb zoo dua thiab ntau dua cua sov-dissipating.
