Cov khoom siv hauv cov raj mis thermos

Thermos fwj muaj ntau yam khoom siv, feem ntau suav nrog stainless hlau, iav, yas, thiab ceramic. Stainless hlau yog dav nrov vim nws zoo heev thaum tshav kub kub tuav, rwb thaiv tsev, thiab corrosion kuj. Cov iav fwj muaj ob - lub tshuab nqus tsev tsim rau kev txuag hluav taws xob thiab kuj yog ib puag ncig zoo. Lub raj mis yas yog lub teeb yuag thiab nqa tau yooj yim; xaiv cov style nrog cov txheej txheem tiv thaiv kom muaj kev nyab xeeb ntawm cov dej haus. Ceramic fwj raug rho tawm haujlwm ntawm qhov kub thiab txias, ua rau lawv tsis yog - lom, tsis muaj ntxhiab, thiab muab cov cua sov zoo. Thaum xaiv lub raj mis thermos, koj yuav tsum xav txog koj tus kheej cov kev xav tau thiab kev nyiam, nrog rau kev nyab xeeb ntawm cov khoom. Tsis txhob yuav cov khoom ua los ntawm cov khoom tsis paub. Ua raws li cov lus qhia rau kev tu thiab tu kom ntseeg tau tias lub raj mis thermos muaj txiaj ntsig thiab kev nyab xeeb, tso cai rau koj haus dej nrog kev thaj yeeb nyab xeeb.