Tshem tawm ntawm cov txheej qub qub ntawm qhov xaus ntawm qhov chaw yog, kab tias, thawj theem ntawm kev kho. Thaum nws los txog zoo li cov ceilings lossis phab ntsa uas tau rov ua dua lawm, ntau tus neeg muaj lus nug: seb koj tuaj yeem ntxuav qhov qub qhuav xau kom nws ceev thiab yooj yim? Muaj ntau ntau txoj hauv kev los daws qhov teeb meem no, uas peb yuav tham txog ntau yam hauv qab no.
Yuav ua li cas kom sai ntxuav tawm whitewashing?
Txhawm rau tshem tawm cov rooj tog, thaj chaw, qhov rooj, qhov rais, lawv xav tau ib yam dab tsi los npog, ntawv xov xwm lossis yeeb yaj kiab kom tshem tawm ntawm cov nplaum tawg, koj tuaj yeem nqa dej ntsev thiab ib daim txhuam cev. Ua li no, koj yuav tsum dissolve 1 kg ntawm ntsev nyob rau hauv 10 liv dej sov thiab tos kom txog thaum nws cools down. Ces moistened nrog xws li ib tug daws, nrog ib tug sponge, mus ntxuav tawm txheej ntawm chalk kom txog thaum lub sponge ceases kom tau qias neeg.
Tam sim no cia li xyuas seb yuav ua li cas sai sai ntxuav lub txiv qaub whitewash los ntawm lub qab nthab? Yog hais tias koj ua rau ib qho qhuav, npaj rau cov plua tshauv los ua ib tug ncej. Yog li ntawd, qhov yooj yim txoj kev kom tshem tawm cov txiv qaub txheej yog moisten nws. Moisten thaj tsam ntawm lub qab nthab nrog dej siv ib tug neeg, thiab tom qab tag nrho cheeb tsam yog impregnated nrog noo noo, maj mam tshem tawm cov whitewashed pieces nrog ib tug spatula. Yog li, ntawm ib qhov chaw koj ntxuav lub qab nthab ntawm lub txiv qaub txheej, thiab dab tsi tseem yuav raug ntxuav tawm nrog ib tug ntub sponge.
Nws muaj lwm txoj kev uas yuav ntxuav tawm ntawm cov xuab zeb qub qub uas tsis muaj hauv pem teb, phab ntsa, qhov rai, thiab lwm yam. Ua li no, koj yuav tsum tau npaj kom muaj ib qho tshuaj txhuam thiab siv ib tug menyuam los thov rau lub qab nthab. Thaum txheej txheem tshuaj txhuam dries, tom qab txog 10-15 feeb, nws tuaj yeem muab tshem tawm tau yooj yim nrog lub tshuab raj los yog khib nyiab, thiab hmoov av yog suab tsis ua.
Tsis tas li ntawd, tom qab thov qhov muab tshuaj txhuam, koj tuaj yeem ua ntawv xov xwm rau nws, tawm hauv qhov chaw ntawm cov nplooj ntawv qhuav. Thaum lub txheej dries, nws yog txaus los rhuav tshem tawm cov ntawv xov xwm, thiab nrog rau nws, ib txheej ntawm whitewash yuav depart. Thiab tshuav dab tsi, koj tuaj yeem ntxhua nrog ntub daim txhuam cev.