Lub khob ntawv yog ib hom thawv ntawv ua los ntawm kev ua cov ntawv hauv paus (ntawv dawb) ua los ntawm cov ntoo tshuaj lom neeg los ntawm kev sib txuas thiab sib txuas. Nws zoo li lub khob thiab siv tau rau cov khoom noj khov thiab dej haus kub. Nws muaj cov yam ntxwv ntawm kev nyab xeeb, kev huv, lub teeb thiab yooj yim, thiab yog cov khoom siv zoo tagnrho rau cov chaw pej xeem, tsev noj mov, thiab tsev noj mov.
Kev faib tawm khob ntawv
Cov khob ntawv muab faib ua cov khob ntawv PE coated ib sab thiab cov khob ntawv PE coated ob sab.
Cov khob ntawv PE ib sab: Cov khob ntawv uas tsim los ntawm cov ntawv PE ib sab hu ua cov khob ntawv PE ib sab (feem ntau ntawm cov khob ntawv hauv khw hauv tsev thiab cov khob ntawv tshaj tawm yog cov khob ntawv PE ib sab), thiab lawv cov tsos mob yog: sab ntawm lub khob ntawv uas muaj dej muaj PE txheej du.;
Khob ntawv PE txheej ob sab: Cov khob ntawv uas tsim los ntawm daim ntawv PE txheej ob sab hu ua khob ntawv PE ob sab. Lub ntsiab lus yog: Muaj PE txheej rau sab hauv thiab sab nraud ntawm lub khob ntawv.
Qhov loj ntawm lub khob ntawv:Peb siv ooj (OZ) ua ib chav ntsuas qhov loj ntawm cov khob ntawv. Piv txwv li: cov khob ntawv 9-ounce, 6.5-ounce, 7-ounce uas feem ntau muaj nyob hauv khw, thiab lwm yam.
Ounce (OZ): Ounce yog ib chav ntsuas qhov hnyav. Qhov nws sawv cev ntawm no yog: qhov hnyav ntawm 1 ounce yog sib npaug rau qhov hnyav ntawm 28.34 ml dej. Nws tuaj yeem piav qhia raws li nram no: 1 ounce (OZ) = 28.34 ml (ml) = 28.34 g (g)
Cov khob ntawv:Hauv Suav teb, peb hu cov khob uas muaj qhov loj li 3-18 ooj (OZ). Cov khob ntawv ib txwm muaj peev xwm tsim tau los ntawm peb lub tshuab ua khob ntawv.
Lub sijhawm tshaj tawm: Lub Peb Hlis-22-2024