"Eti Mine Works (Turkish: Eti Maden \u0130\u015Fletmeleri) is a Turkish state-owned mining and chemicals company focusing on boron products. It holds a government monopoly on the mining of borate minerals in Turkey, which possesses 72% of the world's known deposits."@en . . . . . "Eti Mine Works"@en . . "1993Z"^^ . . . . . .