1. Tsis txhob ntswj riam thaum hlais;
2. Tsis txhob siv riam tej hub los txiav cov khoom noj khov (lossis ib nrab thawed) cov khoom noj, cov ncuav nplej nyoos, nqaij nrog cov pob txha, lossis cov khoom tawv xws li ntses thiab crabs;
3. Tsis txhob ntxuav cov riam ceramic hauv lub tshuab ntxuav tais diav. Ntxuav lawv hauv dej los yog nrog xab npum thiab cia lawv cua qhuav;
4. Ceev faj ntxiv nrog cov hniav thaum siv, vim nws yog qhov ntse heev;
5. Khaws kom deb ntawm cov menyuam yaus kom tsis txhob raug mob;
6. Siv lub rooj txiav ntoo lossis yas, tsis txhob siv cov pob zeb txiav;
7. Tsis txhob tso rab riam los ntawm qhov siab, vim qhov no yuav ua rau nws tawg;
8. Tsis txhob hlais, hlais, khob, rub, tso, lossis ntaus riam. Tsis txhob siv rab riam ua lub zog;
9. Khaws cov riam tej hub rau hauv ib lub riam thaiv, riam sawv ntsug, lossis lwm qhov chaw ruaj khov;
10. Tsis txhob sim ntswj riam koj tus kheej;
11. Tsis txhob muab rab riam ze ze rau qhov chaw tshav kub, vim qhov no yuav ua rau tus kov yas deform;
12. Yog hais tias cov hniav yog qias neeg los yog stains, muab tso rau hauv chav ua noj bleach. Tsis txhob siv cov ntaub qhwv hlau los yog cov ntaub ntawv zoo sib xws los ntxuav cov hniav, vim tias cov hmoov hlau yuav ua rau cov hniav tig dub.