Qhov tshuab tsis tuaj yeem tshwj xeeb ib qho yog qhov tshuab vacuum muffle furnace, uas siv los kawm qhov ntaub ntawv hauv qhov chaw tshwj xeeb hauv cov laboratori thiab cov tshuab. Nws yog qhov tshwj xeeb heev rau qhov nws tsim qhov vacuum kom muaj qhov haum lub zog lossis tsis muaj haum lub zog. Nws muaj kev pab ntau yam, piv txwv li, kom paub tias nws tsis muaj oxidation thiab kom muaj qhov ntaub ntawv zoo tshaj plaws. ZONWON muab qhov vacuum zoo tshaj plaws muffle furnace uas haum rau kev kawm qhov ntaub ntawv raws li kev xav tau. Cov tshuab no pab cov neeg kawm thiab cov neeg tsim cov khoom los kawm seb cov ntaub ntawv yuav ua li cas thaum muaj kev kawm. Rau peb, qhov kawm no yog qhov tshwj xeeb rau kev tsim cov khoom zoo dua thiab zoo dua rau kev siv.