1, Efrata Ihe ndị bụ isi nke ite iko bụ iko a na-emegharị, nkume limestone, soda ash, ájá silica, borax na dolomite.2, Na-agbaze ngwakọta ogbe iko niile na-enye nri n'ọkụ wee kpoo ogo 1550-1600 ruo mgbe ọ gbazere.Igwe ọkụ na-agba awa 24 kwa ụbọchị, ụbọchị asaa n'izu.Otu oven nwere ike ...
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