A sagging economy dragged down attendance at this year’s World of Concrete, held Feb. 3-6 in Las Vegas. Officials with show manager Hanley Wood Exhibitions would not disclose preregistration numbers but expected a 10% to 20% decline from 2008, which drew roughly 85,000 people. Vendors were less optimistic, saying that 60,000 people, or a 30% decline, was more likely. Booth spaces also shrunk, while some disappeared altogether. Schwing, the show’s largest exhibitor, cut down its footprint by 14%, selling back-aisle space that bifurcated its display of concrete booms, pumps and mixers. Meanwhile, earthmoving equipment makers New Holland and Kobelco pulled
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