Stains ntawm plasticine - ib qho tshwm sim hauv cov menyuam yaus cov khaub ncaws, uas tshwm sim hauv chav kawm ntawm cov menyuam nyiam kev kawm ntawm kev ua qauv. Ntxiv mus, qhov teebmeem no tshwm sim tsis tsuas yog nrog rau cov khoom ntawm cov menyuam, vim hais tias cov me nyuam yeej ib txwm pab los ntawm cov laus, leej twg tseem tuaj yeem tau qias neeg. Yog li ntawd, ua li cas nrog kev tsis zoo siab ntawm molding, yuav ua li cas ntxuav khaub ncaws los ntawm plasticine?
Yuav ua li cas tshem av nplaum los ntawm cov khaub ncaws - txoj kev zoo tshaj plaws
Ua ntej, hnav cov ris tsho rau hauv lub tub yees. Nyob rau hauv kaum feeb lub av nplaum yuav tawv, ces nws yuav yooj yim dua los tshem tawm nws los ntawm khaub ncaws. Tom qab ntawd, av nplaum yog sib cais los ntawm cov ntaub nrog riam. Ntawm no yog qhov tseem ceeb tshaj plaws yog kom tsis txhob raug mob thiab tsis txhob lwj cov khaub ncaws nrog lub ntsej muag.
Yog tias tom qab cov txheej txheem no nws muaj qhov qub, nws yuav tsum pib tu nws. Tshaj li nplua yas los ntawm cov khaub ncaws uas nyob rau hauv ib qhov kev kawm ntawm ib lub khaub ncaws tsis muaj ib qho dab tsi? Nws yooj yim heev: koj yuav tsum tau kho, uas muaj xws li xab npum khaub thuas hnyav thiab dej kub. Nws hloov tawm ib qho kev sib tov sib xyaw nrog lub siab ntawm xab npum hauv nws. Stains los ntawm cov khoom yas yog siv tshuaj ntxuav tes nrog dej thiab sab laug kaum rau kaum tsib nas this. Qhov kev txiav txim tom ntej no: siv cov khaub ncaws txhuam hniav los kho cov tshuaj no, peb qho chaw nrog ib qho chaw sab nraud sab nraud, nchuav nrog nws cov dej qab ci li ib txwm thiab tom qab kaum feeb dua peb zaug. Qhov no xaus tag nrho cov kev tswj, thiab qhov tshaj plaws yog erased nyob rau ntawm ib tug kub ntawm 60 °. Qhov no yog ib qho zoo heev ntawm cov pej xeem txoj hauv kev los tiv thaiv cov khoom yas yas.
Yog tias cov tshuaj xub npum tseem tsis pab, koj tuaj yeem sim ua kom muaj kaum dej ntawm ammonia thiab khob dej. Ib qho qaub ncaug txau rau hauv nws yog kho nrog ib pes kom txog thaum nws ploj lawm. Thiab, ntawm chav kawm, koj yuav siv tau ib tug zoo pes tshem tawm.
Plasticine yog ib txoj hauv kev los tsim cov menyuam yaus muaj peev xwm, thiab nrog nws qhov kev nyuaj siab yog ib qho peev xwm tiv thaiv tau yog tias ib tug paub zoo txog kev ntxuav cov yas los ntawm cov khaub ncaws.