This week we look at Linden Comansa America's 21 LC 660 Tower Crane, nylon knit work gloves with a palm coating from Magid Glove and Safety, Caterpillar's Cat CT660 Vocational Trucks now available with CT15 engines and the VF-99 Folding Pipe Stand from RIDID. Click on the image to begin the slide show. Mobile readers can click here to see it.
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.