Long Keter, tus thawj coj tau lees paub hauv kev lag luam refractory, zoo siab tshaj tawm qhov kev tshaj tawm ntawm nws cov kev xaiv tshiab ntawm yas hau rau steel anchors. Lub hau tshiab no muaj kev tiv thaiv zoo dua qub, ua rau nws yog qhov kev daws teeb meem zoo tshaj plaws rau ntau yam kev siv hauv kev tsim kho, kev tsim vaj tsev thiab kev lag luam marine.
Refractory thauj tog rau nkoj yog cov qauv tsim tsim kom ruaj ntseg thiab txhim kho cov khoom siv fiber ntau, cov cib refractory thiab monolithic refractories.
