tuam txhab xov xwm
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4 qhov zoo ntawm 3M lub thawv rau khaub ncaws daim ntaub txheej txheem txheej txheem txheej txheem
3M yog lub tuam txhab hauv ntiaj teb uas muab ntau yam khoom lag luam rau kev tshaj tawm thiab kos npe rau kev lag luam. Nrog rau kev txhim kho thev naus laus zis, tau muaj ntau lub tuam txhab uas paub zoo hauv ntiaj teb no rau kev koom tes ntev. Cov hauv qab no yog kev taw qhia rau plaub qhov zoo ntawm 3M lub thawv teeb ...Nyeem ntxiv -
3M lub teeb lub thawv ntaub npuag txheej txheem txheej txheem, yuav ua li cas rau nruab 3M lub teeb lub thawv ntaub
1. Qhuav cov txheej txheem ntawm yuav ua li cas txhawm rau teeb lub thawv daim ntaub Qhov tseeb, nws yog ncaj qha muab cov zaj duab xis tso rau hauv cov khoom uas tau muab tshuaj txhuam, muab tshuaj txhuam kom qhuav, ua cov ntawv pov thawj thiab lwm yam cim kom pom tseeb. Nws raug nquahu kom thov txheej txheej tshwj xeeb xa ntawv tso rau ntawm qhov chaw. Tsis txhob kua muag ...Nyeem ntxiv
