Tseem muaj sij hawm uas koj yuav tsum paub yuav ua li cas kom tus number case tawm ntawm daim ntawv. Piv txwv li, koj tau ua ib qho kev kho tshiab, muab cov ntawv ntsa tshiab, thiab tus menyuam txiav txim siab tso nws daim ntawv kos npe rau lawv. Yuav ua li cas? Tsis txhob rov muab tshuaj rau tib lub wallpaper thoob plaws hauv chav. Lossis koj yuav tsum tshem tawm ib qho stain los ntawm tus cwj mem ballpoint uas muaj "bled" thiab sab laug nws lub cim uas nws yuav tsum tsis txhob ua.
Muaj ntau txoj hauv kev los daws qhov teeb meem no hauv tsev.
Txhawm rau tshem tawm cov cwj mem los ntawm daim ntawv, nws yog ib qho tsim nyog yuav tsum ua kom muaj kev daws teeb meem ntawm vinegar essence thiab poov tshuaj permanganate nyob rau hauv cov nram qab no proportions: rau ib khob ntawm essence - ib tug tablespoon tsis muaj ib tug swb ntawm poov tshuaj permanganate. Do kom txog thaum tag nrho cov crystals dispersed. Koj yuav tsum tau txais cov tshuaj liab. Tom ntej no, nrog cov ntaub qhwv paj rwb, pib blot (tsis txhob rub) thaj chaw muaj kab mob kom txog thaum tus number case ploj mus. Yog li ntawd, tsis txhob siv tus cwj mem los ntawm tus cwj mem, qhov qias neeg liab ntawm poov tshuaj permanganate yuav nyob twj ywm. Tsis txhob ntshai, yog li nws yuav tsum ua. Tam sim ntawd noj 3% hydrogen peroxide, tsau ib lub paj rwb huv hauv nws thiab tshem tawm cov stain. Yuav tsis muaj kab ntawm tus cwj mem thiab poov tshuaj permanganate! Qhuavtshuab ziab khaub ncaws.
Koj tuaj yeem siv txoj kev no: sib tov citric thiab oxalic acids (10 g txhua) hauv 100 g dej. Siv cov tshuaj tov rau daim ntawv nrog ib lub swab lossis paj rwb swab. Yog tias koj tsis tuaj yeem tau txais tus cwj mem tawm thawj zaug, rov ua cov txheej txheem. Yog hais tias lub speck me dhau los yog koj yuav tsum tau tshem tawm lossis kho, hais tias, ib tsab ntawv, nws yog qhov zoo dua los siv tsis yog paj rwb swab, tab sis yog ib qho tshuaj txhuam hniav, vim nws yog thinner. Yuav tsum ua tib zoo ua kom tsis txhob tau lub qhov.
Npaj stains tuaj yeem tshem tawm nrog cov kua txiv qaub zoo tib yam, ntub cov paj rwb hauv nws thiab nias nws mus rau qhov chaw stained.
Thiab ntawm no yog ib qho ntawm "pog niam" zaub mov yuav ua li cas tshem tawm cov number case los ntawm daim ntawv lossis phab ntsa: koj yuav tsum tau boil lub qe qaib tawv tawv, txias nws, txiav nws ua ob ntu thiab muab tso rau hauv daim duab. nrog txiav. Cov stain yuav ploj mus!
Koj tuaj yeem tshem tau tus cwj mem nrog cov tshuaj niaj hnub no, paub rau txhua tus hauv lub npe "Domestos" lossis "Whiteness" (kev xaiv kev lag luam). Ib tug tsuas yog muab txhuam los txhuam txhuam rau hauv cov tshuaj no thiab so cov stain, thiab nws yuav ploj mus.
Lwm daim ntawv qhia: ntxiv 10 grams ntawm hydrochloric acid thiab cov ntsev ntsev rau 30 ml ntawm cov dej distilled, sib tov thiab ua tiav qhov xav tau ntawm nplooj.
Ntawm no yog ib txoj hauv kev kom tau tus cwj mem tawm ntawm daim ntawv yam tsis muaj blotting thiab txhuam. Sib tov dej nrog sodium sulfite lossis lwm yam khoom muaj SO3. Tom ntej no, kho daim ntawv hla cov tshuaj thiab tos kom txog thaum cov stains ploj. Neutralization ntawm tus number case tshwm sim vim cov vapors tso tawm los ntawm cov tshuajkev sib txuas. Nyob rau hauv rooj plaub no, ceev faj heev nrog kev siv tshuaj thiab nco ntsoov tias tsis yog tsuas yog cov stains tsis tsim nyog yuav ploj mus, tab sis txhua yam uas tau sau rau hauv tus cwj mem.
Tam sim no koj paub ntau txoj hauv kev kom tau tus cwj mem tawm ntawm daim ntawv. Nws tseem yuav xaiv qhov kev xaiv tsim nyog tshaj plaws hauv koj rooj plaub thiab ua. Qhov twg siv cov kua qaub, ceev faj: hnav hnab looj tes ua ntej tuav. Txhua txoj kev tshem tawm cov stain tsis zam kev nrawm thiab fuss.