Puas yog Lub Tsheb lossis Maus taus yog qhov tsim nyog? -4

Sib tham ntxiv txog nag. Thaum lub tsheb thiab maus taus raug nres sab nraum, tom qab los nag, tsheb thiab maus taus yuav ntub. Thiab nyob rau qee qhov chaw phem, qee lub caij dej khov yog acidic. Nws tseem yuav ua rau kev puas tsuaj ntawm lub tsheb thiab cov maus taus. Nrog ib lub PEVA uas muaj qhov tsis muaj dej tsis muaj dab thaiv yuav tiv thaiv lawv ntawm kev puas tsuaj ntawm cov nag.