The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Fourteen cities were ...
The amount of water in concrete controls many fresh and hardened properties in concrete including workability, compressive strengths, permeability and watertightness, durability and weathering, drying ...
Snaking beneath Regina’s streets are 600 kilometres of water mains built with asbestos-cement. Increasingly, some scientists and communities are questioning the wisdom in having drinking water flowing ...
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