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nafta töötlemisel pärast kergete naftasaaduste eraldamist saadav suure viskoossusega vedelkütus, raske kütteõli
мазут . Koolisõnastikud 2005–2010. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//kool_KV/%D0%BC%D0%B0%D0%B7%D1%83%D1%82/1/rus (15.08.2026)