How tech might clean up concrete
Marketplace - En podkast av Marketplace
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Las Vegas hosted its first in-person convention this week since the pandemic. It’s called World of Concrete, which normally attracts some 60,000 engineers, architects, masons and contractors. Not quite a full turnout this year, but Marketplace senior reporter Matt Levin was there. Marketplace’s Amy Scott asked Levin what kind of tech he’s seen there.
