Magnesium oxide, ib daim ntawv thov tseem ceeb yog usd hauv kev tsim cov hlau nplaum neev hauv kev tsim kho. Magnesium oxide based cov tsev pua tsev tau pib siv thaj chaw hauv tsev thiab chaw txua khoom. Nws yog tsim nyog teev tias cov plag tsev ntawm thawj cov tsheb khiav ntawm Paris Metro tau pw nrog Sorel xis mas, ua tsaug rau lawv cov kev tawm tsam hauv kev poob siab thiab kev co txuas ntxiv. Lwm daim ntawv thov tshwj xeeb yog nyob rau hauv lub nkoj ua haujlwm rau sab hauv lawj ntawm kev ua tsov ua rog thiab cov tub lag luam nkoj.
