Vim yog h7 coj qhov muag pheej yig dua, qee cov neeg siv khoom tau ceev kom hloov h7 halogen qhov muag teev.

Tab sis lawv tsis paub qee lub tsheb tsis sib haum nrog h7 coj qhov muag teev.

Txawm hais tias h7 qhov muag teev halogen zoo li cov khoom laus, lawv tseem zoo heev thaum huab cua phem.

Kuv lub Hoobkas tau hloov kho peb lub h7 halogen qhov muag teev xyoo tas los.

Piv txwv li, peb ntxiv lub neej lub sij hawm ntawm h7 halogen qhov muag teev, uas los ntawm 500 teev mus rau 1000 teev.

Txhawm rau muab cov xim dawb ntau dua, kuv lub Hoobkas pleev xim xiav txheej rau ntawm qhov chaw ntawm h7 halogen qhov muag teev.

Kuv yuav qhia koj qee cov duab ntawm h7 halogen qhov muag teev raws li hauv qab no.

Kuv paub tseeb tias peb qhov zoo tshaj plaws thiab kev sib tw h7 qhov muag teev halogen yuav tsum muaj kev npaj ua lag luam hauv koj lub tebchaws.