Caterpillar Inc. estimates $300 million in sales and $100 million in operating profit will slip away this year, mostly in the second quarter, due to the March 11 earthquake and tsunami in Japan. Photo: Courtesy of Caterpillar Inc. Cat says none of it Japanese employees were injured, but the march 11 disaster disrupted supply chain. Although its Japan-based employees suffered no injuries and its plants in the region were not damaged, the event has taken a toll on the overall supply chain for construction machinery. Many of the industrial components and whole goods are produced in Japan or move through
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.