In Praise of Precast Concrete

What we often mistakenly call ‘cement’ is a wondrous material that plays a huge role in a wide variety of public and private infrastructure

I ’m standing on a windswept bluff well above a modern precast concrete factory outside of Boulder, Colo., where soaring hawks and sometimes eagles hunt for abundant rabbits, bull snakes, and the occasional inattentive prairie dog.

I overlook neat rows of precisely made solar...

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