Cov pob muaj roj yog qhov feem ntau insidious, vim hais tias lawv muaj peev xwm yuav cog nyob qhov twg. Tshem tawm cov xim los ntawm roj los yog roj yooj yim yog tias koj pib ntxuav tam sim ntawd. Thaum cov roj los yog lwm cov rog tau txais ntawm cov khaub ncaws, nws yuav tsum tau muab so kom zoo nrog lub ncuav kom lub cev tsis kis thiab tsis absorbed.
Yuav ua li cas kom tshem tau cov roj tsawg?
- Koj tuaj yeem tshem tawm cov roj pleev xim tshiab los ntawm khaub ncaws> ntsev los yog hmoov los ntawm chalk. Qhov chaw yuav tsum tau muab ntsev los ntsev los yog chalk, sab laug ob peb teev, ces ntxuav nrog txhuam.
- Tshem tawm cov roj ntawm cov roj zaub los ntawm cov khaub ncaws nrog ntawv thiab hlau. On qhov tsis ncaj ncees lawm, muab ib daim ntawv mus rau qhov chaw, folded nyob rau hauv ob peb txheej thiab ironed nrog ib tug kub hlau. Cov txheej txheem ua tiav ob peb zaug, daim ntawv raws li nws tau qias neeg - hloov. Tshem cov roj ntsha ntawm cov ris tsho muaj peev xwm muab pov tseg nrog roj.
- Tshem tawm cov xim ntawm cov roj cav nrog ib cov hmoov ntawm magnesia nrog qhov sib ntxiv ntawm ether. Tsis tas li ntawd, koj tuaj yeem tshem cov roj tsawg nrog cov kabmob thiab ammonia, nrog rau cov nyiaj sib npaug.
- Tshem tawm cov roj tsuas yog ua kom muaj roj thiab acetone. Tom qab qhov no, qhov chaw xau dej yuav tsum tau so nrog rau ammonia.
- Cov roj ntsha qub yuav tsum tau muab tshem tawm nrog purified turpentine or gasoline. Hauv qhov no, tu los ntawm cov roj yog ib txoj kev ua haujlwm, txij li lub cim qub twb tau khov thiab qhuav. Ua ntej yuav tshem cov roj qub qub, qhov yuav tsum tau ntxuav cov hmoov av.
- Cov roj ntsha ntawm lub teeb ntaub tau yooj yim raug muab tshem tawm nrog cov dej thiab ammonia (1 teaspoon ntawm ammonia rau 2 teaspoons dej).
- Tshem tawm cov roj rog ntawm cov khaub ncaws tuaj yeem nrog sib tov ntawm xab npum, ammonia thiab turpentine (2: 2: 1). Qhov no txhais tau hais tias nws yog ib qho tsim nyog yuav tsum tau smear thaj tsam muaj kab mob, tom qab 2 xuab moos ntxuav qhov dej sov.
- Tshem cov rog ntawm cov ntaub pua plag nrog kev pab los ntawm sawdust thiab ammonia. Ntoo sawdust yuav tsum tau moistened nyob rau hauv ammonia thiab rub nws zoo nrog ib tug pes.
- Ib txoj hauv kev zoo rau qub qub rau ntawm tej qhov chaw yog qos yaj ywm hmoov. Hmoov yuav tsum tau diluted nrog dej mus rau ib lub xeev ntawm tuab porridge thiab grease no sib tov nrog ib tug contaminated saum npoo. Tom qab ob peb teev, koj yuav tsum tau tshem cov remnants ntawm gruel nrog ib daim ntaub dampened nyob rau hauv roj. Thaum kawg, so cov qe uas seem ntawm cov xim dub dub.
Ntaus twg yog qhov koj txiav txim siab siv, tshem cov blemish tsis muaj ib txoj kab nyob hauv kev ua haujlwm kom zoo, sai li sai tau qhov khoom yog lo av. Tshem tawm ntawm cov roj ntsha qub yuav tsum siv dag zog thiab tuaj yeem ua rau cov nqaij tsis zoo.