Kev tu cov ntaub pua rooj

Tom qab siv cov ntaub pua rooj, nws yuav tsum tau ntxuav tam sim ntawd, kom cov nyhuv ntxuav yog qhov zoo tshaj plaws, tshwj xeeb tshaj yog cov stains soluble hauv dej xws li vinegar, wine, qab zib thiab ntsev. Ua ntej ntxuav, cov ntaub pua rooj tuaj yeem soaked nrog vinegar thiab ntsev, thiab tom qab ntawd muab tshem tawm los ntxuav thiab ziab tom qab peb feeb. Ua li no, cov stains xws li vinegar, cawv, qab zib thiab ntsev tuaj yeem raug tshem tawm zoo.

Cov stains xws li roj thiab cov protein yuav tsum tau muab tshem tawm nrog cov tshuaj alkaline. Txoj kev yog: ntxiv 5ml ntawm alkaline tov rau 5L ntawm dej huv. Tom qab nws yaj tag, muab tso rau hauv ib lub rooj ntaub thiab boil rau li 5 feeb. Tom qab cov roj stain thiab protein stain tau ploj tag, tshem tawm thiab ntxuav nws.

Pigment stains tuaj yeem raug tshem tawm nrog tshuaj dawb, thiab tom qab ntawd ntxuav. Txoj kev yog: ntxiv 50g tshuaj dawb rau 5L dej huv, tsau rau 5 feeb, thiab tom qab ntawd ntxuav, co thiab qhuav tom qab cov xim stains raug tshem tawm.

Yog tias qee qhov chaw muaj cov roj stains, koj tuaj yeem maj mam txhuam lawv nrog txhuam hniav dipped hauv xab npum, ces so nrog txhuam hniav dipped nyob rau hauv dej huv, thiab ces qhuav lawv nrog ib daim ntaub huv huv. Yog tias nws yog cov ntaub tshwj xeeb uas ntshai kev sib tsoo, nws tuaj yeem maj mam txhuam nrog xab npum. Thaum ntxuav, tsis txhob muab tso rau hauv dej ntev heev, li ntawm ib nrab teev los yog li ntawd. Ntxuav maj mam, tsis txhob txhuam thiab wring nyuaj. Nws tuaj yeem qhuav hauv lub tshuab ntxhua khaub ncaws. Nws yuav tsum tau dai nyob rau hauv ib qho chaw ventilated kom qhuav kom tsis txhob raug mus ntev nyob rau hauv lub hnub thiab tiv thaiv fading.