looduslike lähtematerjalide, peam. silikaatide baasil keraamiline materjal; tavakeraamikast valmistatakse telliseid, katusekive, lauanõusid, tsementi, abrasiivmaterjale jne
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vrd tehnokeraamika
usually silicates used for clay products such as pottery and bricks, common abrasives and cement
