Hauj lwm lawm
Kev tsis
1. Lub tsheb cushion puas muaj kev tsis haum rau ntawm daim tawv nqaij?
Raws li lub tsheb cushion, nws tsis ncaj qha ua rau muaj kev tsis haum rau ntawm daim tawv nqaij. Tab sis yog tias tus neeg siv daim tawv nqaij twb ua xua rau cov khoom siv hauv lub rooj zaum hauv tsheb, xws li qee yam tshuaj lom neeg lossis cov khoom siv cellulose, muaj peev xwm ua xua. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum xaiv cov ntaub ntawv cushion tsim nyog thiab cov npe raws li nws tus kheej ua xua, thiab xyuam xim rau kev tu thiab tu.
