Thaum lub qhov cub nyob hauv txhua lub tsev, nws lub siab. Tom qab tag nrho, nrog nws cov kev pab nws tuaj yeem ua kom sov hauv tsev thiab muab tsev neeg rau noj. Thaum roj tshwm nyob hauv txhua chav tsev, qhov cub thiab qhov cub tawg pib rau hauv qhov chaw tsis raug. Lawv pib siv nyob rau hauv da dej thiab saunas xwb. Thiab txawm tias tom qab ntawd, feem ntau, lub qhov cub nruab yog roj lossis hluav taws xob. Tab sis tam sim no cov kev zam rau lub qhov cub ua kom sov lub qhov cub rov qab, vim tias koj tuaj yeem txaus siab rau lawv - mloog qhov tawg ntawm cov taws, tab sis saib cov nplaig ntawm hluav taws.
Txawm lub qhov cub ua tau zoo npaum li cas los xij, tsis ntev tom qab ntawd nws yuav tu thiab pib haus luam yeeb. Dab tsi yuav yog qhov laj thawj, thiab yuav kho li cas qhov teeb meem no? Nws tsis yog qhov nyuaj los kho qhov cub nrog koj tus kheej txhais tes. Nws yog qhov ntau nyuaj los txiav txim yog vim li cas nws tsoo. Lub hauv paus tseem ceeb ntawm cov pa luam yeeb yog qhov tsis zoo, uas yog vim muaj ntau yam. Lub qhov cub yuav pib haus luam yeeb thaum lub sijhawm nag thiab txias. Qhov no qhia tau tias lub raj xa pa taws thiab phab ntsa yog qhov nyias nyias. Hauv lwm cov lus, lub qhov cub tsis muaj lub zog tsis txaus. Hauv qhov no, koj yuav tsum muaj roj tag nrho cov nqaws ntawm cov pa thiab lub kav dej, thiab tom qab ntawd mam li muab plaster.
Lwm qhov laj thawj ntawm cov pa luam yeeb yog tuab txheej ntawm cov nkhawb. Qhov loj npaum li cas hauv lub qhov pa taws tsis yog ua rau muaj kev nce nqi ntau ntawm cov ntoo siv, tab sis kuj tuaj yeem ua rau hluav taws. Yog li, nws yog ib qho tseem ceeb heev uas yuav tsum tau ntxuav lub qhov cub ntawm lub qhov cub thiab lub qhov pa taws nrog xaim, tus ncej lossis txoj hlua, kom mus rau qhov kawg ntawm tus pas plaub loj lossis txhuam hniav. Koj tuaj yeem siv cov ntsev ntxhib.
Tsis tas li, qhov laj thawj tsis ua tiav ntawm lub qhov cub yog qhov tawg thiab khoob hauv phab ntsa ntawm lub chimney. Yog tias lub masonry ntawm lub qhov cub muab cov kab nrib pleb, tom qab ntawd qhov no yuav tsum tau hais txog nrog cov hauv qab no: npog lawv nrog ib qho kev sib tov earthen, thiab tom qab ntawd plaster nrog tshwj xeeb qhov cub sib xyaw. Cov plaster no muaj asbestos fiber.
Yog tias muaj cov ntawv hlawv lossis tawg hauv cov cub, lawv yuav tsum tau hloov. Ua li no, tshem cov pob zeb tsis zoo, ntxuav qhov chaw kom zoo, ua kom nws noo nrog dej, tom qab ntawd muab cov av nplaum tov. Ib lub cib tshiab yog muab luv luv tso rau hauv dej, tom qab ntawd ib qho kev daws teeb meem tau siv rau nws sab saum toj thiab sab thiab muab tso rau hauv qhov chaw npaj. Tom qab ntawd, lub qhov cub yuav tsum tau plastered, uas yuav tsum tau ua tsuas yog thaum nws raug mob. Rau lub hom phiaj no, cov tshuaj tshwj xeeb tau muab sib xyaw, txij li ib txwm ib txwm tsuas yuav tawg. Thaum npaj lub qhov txhab cug, sib tov plaster txiv qaub (3 kg), xuab zeb zoo (9 kg), gypsum (1 kg) thiab asbestos (0.3 kg) thiab yaj tag nrho cov saum toj no nrog tov ntawm sodium chloride.
