KALAMAZOO -- Concrete for sidewalks and building foundations? Of course. Glass-embedded concrete as an alternative to granite countertops? OK. But a concrete canoe? And one that weighs close to 400 ...
This June the waters of Lake Sammamish will see sailboats, Jet Skis and a fleet of unconventional watercraft — concrete canoes. The University of Washington will host the American Society of Civil ...
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