Utangulizi mfupi wa maonyesho: [Onyesha maudhui] 1. Nyenzo za mawe: taka za marumaru, taka za granite, taka za mchanga, chokaa, quartz, sandstone, slate, nk 2. Sahani: mawe ya asili, marumaru, granite, mchanga, mchanganyiko na mazingira jiwe.3. Mawe Bandia: Jade Bandia, Jade ...
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