- Nowtheseplansarecinders.GermanyandJapanthemselveswereincinders.coaldust;smallcoal;slack;cindersButocinders,weweretoldbytheneighbourhoodgossips.Shehadtosiftashesfromthecinders.Therateofironrecoveryofpyritecindersisupto90%bymaturationtreatmentafterpyri...
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