Prednosti Fly Pepel v Ready-mix Beton

S: | Objavljeno v: Pepel | Petek, Jul 3, 2020 - 6:52Am
Fly Ash in concrete

Fly ash is the most mineral residue left over from burning coal by coal-fired power plants. Fly ash is pozzolanic, meaning that it has cementitious properties. It is valuable for


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Vale se zaveže $3 Milijard za suho železove rude Predelava

S: | Objavljeno v: Mineralna | Petek, Jul 31, 2020 - 6:50Am
Dry iron ore processing

Companhia Vale do Reio Doce (Cvrd) je eno največjih rudarskih podjetij na svetu. S sedežem v Braziliji, imajo rudarske dejavnosti v 30 državah po vsem svetu. Ti


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