This week we look at a rain-screen facade from Knight Wall Systems and a digital torque tool tester from Snap-On Industrial. 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.