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a non-metallic material used to line furnaces, kilns, ovens, and some high-temperature reactors, which can maintain its mechanic strength at high temperature, peamiselt mineraalse koostisega kõrge sulamistemperatuuriga materjal, mis on keemiliselt vastupidav ka kõrgel temperatuuril
tulekindel materjal . Koolisõnastikud 2005–2010. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//kool_KV/tulekindel%20materjal/1/est (29.07.2026)
