1. Kev zoo nkauj ntuj
Ntoo nplaim tab tom muaj kev zoo nkauj ntawm tus thawjectric me, sov xim, xis xav, thiab muaj ntau yam duab. Nws tsis tuaj yeem tsuas yog ua rau tib neeg kev txaus siab rau kev ua kom zoo nkauj, tab sis kuj ntxiv qhov chaw zoo nkauj rau kev noj mov. Tsis tas li ntawd, tom qab kev sib tsoo zoo, pleev xim thiab lwm cov txheej txheem ua, cov duab ntoo, tuaj yeem ua rau nws muaj kev ntxhib los mos nws zoo dua.
2. Yooj yim los ntxuav
Piv nrog rau lwm lub chaw xws li yas thiab tej hub, rooj ntoo yog qhov kom huv. Nws saum npoo yog tus, nyuaj, thiab nws tsis yooj yim rau ua raws li cov zaub mov seem, yog li nws yooj yim dua los ntxuav. Tsuas yog siv dej sov thiab ib qho me me ntawm nruab nrab xab npum ntxuav nws maj mam muab. Tsis tas yuav siv qhov kub thiab txias thiab khaus dumergents.
3. Tu tau
Vim tias lub hardness zoo thiab hnav tsis kam ntawm cov ntoo tab, nws tsis yooj yim rau kev puas tsuaj hauv kev siv txhua hnub. Nws tuaj yeem siv rau ntau xyoo yam tsis muaj deformation lossis fading, thiab muaj peev xwm txawm tias dhau ib tiam dhau ib tiam. Nyob rau tib lub sijhawm, cov ntoo rooj tuaj yeem siv tau ntawm qhov kub thiab txias, thiab tsis tas yuav txhawj xeeb txog nws qhov kev tawg lossis tawg, yog li nws muaj tus nqi siv siab.
4. Tsis yooj yim rau xaub
Piv nrog cov khoom ntawm lwm cov ntaub ntawv, cov ntoo tab tau muaj kev sib txhuam qis dua, tsis yooj yim rau xaub, thiab yuav muaj qhov ruaj khov dua thaum siv. Cov yeeb yam no tshwj xeeb tshaj yog haum rau menyuam yaus thiab cov neeg laus uas muaj kev nyuaj siv lub tableware. Siv ntoo rooj tuaj yeem txo txoj hmoo ntawm kev sib chwv los yog ruam.
5. Tsis muaj - hlawv
Piv nrog hlau thiab yas tableware, ntoo rooj tsis yooj yim los coj ua cua sov, yog li nws tsis yooj yim hlawv koj ob txhais tes thaum siv, uas muaj kev nyab xeeb dua thiab muaj kev nyab xeeb dua. Ntxiv rau, ntoo rooj feem ntau yog sib zog dua, softer thiab xis nyob rau qhov kov, thiab yooj yim dua thiab tsis txhob nkees hauv kev siv txhua hnub.
