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Continue to ChatTHE EFFECT OF THE OBSIDIAN OF THE RIZE REGION ON THE HYDRATING HEAT OF CEMENT - https://avesis.erdogan.edu.tr/yayin/1ab8b841-46c8-48fe-9593-4f489675ec1b/the-effect-of-the-obsidian-of-the-rize-region-on-the-hydrating-heat-of-cement