The Drive is On to Optimize Power Trowel Concrete ...
The math makes for a convincing case, he reasons: A conventional concrete grinding machine might process somewhere from 4,600 to 8,000 square feet in eight hours. A ride-on power trowel with an eight-foot span could process that much in an hour in an open space. Obbink points to a recent demonstration project, an airport hangar in Alpine, Texas ...
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