Yuav ua li cas xim ib tug ntoo laj kab?

Painting lub laj kab ntoo yuav tsum tsis tsuas yog los ntawm qhov kev xav pom, tiam sis tseem yuav tiv thaiv tau nws los ntawm kev ya raws thiab lwm yam atmospheric phenomena. Qhov no yuav ua rau nws lub neej ntev mus, ntxiv rau nws - yuav pab tau nws tus kheej hais tawm thiab kev kho kom zoo nkauj ntawm nws qhov chaw nyob hauv tsev.

Dab tsi xim xim ntoo laj kab?

Thaum nws los xaiv qhov zoo dua li pleev xim rau ib lub laj kab ntoo, koj yuav tsum xav txog qee yam tseem ceeb:

Yav dhau los, tib neeg tsis tau xav txog tias yuav ua li cas rau xim ntoo laj kab, vim muaj tib txoj kev xaiv - roj xim. Niaj hnub no, nws yog siv tsis tshua muaj tsis tshua muaj, vim nws yog ib qho nyuaj rau hu xws li ib lub thev xim thev naus laus zis lossis ib puag ncig tus phooj ywg. Tsis tas li ntawd, nrog lub slightest hloov nyob rau hauv kub los yog humidity, nws muaj cov khoom ntawm o thiab tawg. Thiab mus hloov lub laj kab, koj yuav tsum tshem tawm cov qub txheej xim ntawm cov xim, rov ua haujlwm sib tov thiab tsuas yog siv cov txheej tshiab.

Qhov zoo ces, hnub no muaj ntau qhov kev xaiv rau cov xim rau cov ntoo ntseej, yog li muaj ntau seem los xaiv thiab txiav txim siab yuav ua li cas rau xim ntoo laj kab kom nws zoo nkauj.

Lub ntsiab lus nug yog - yuav ua li cas xim ib tug ntoo laj kab thiaj li hais tias nws tsis rot. Qhov no yog qhov tseeb tshwj xeeb tshaj yog rau qhov ntawm lub laj kab uas nyob hauv kev sib txuas nrog hauv av. Nws yog kev cai ywj pheej nrog cov xim muaj bitumen raws cov xim. Qhov no yuav rub lub neej ntawm tag nrho cov qauv vim muaj cov dej ua kom zoo.

Feem ntau ntawm lub laj kab yog xim nrog ib qho xim nram qab no (thiab nws zoo dua los ua qhov no ua ntej txhim kho cov laug cam):

Cov tom kawg tsis yog xim tha xim, lawv muaj peev xwm txeem tau ob peb millimeters mus rau hauv tsob ntoo vim qhov no txig thaiv nws los ntawm lem, pwm thiab noo noo.