Products 01/12/2011 Lithium-Ion Driver-Drill: Shorter Charge Time The LXFD01CW 18V Cordless 1/2-in. Driver-Drill is the latest entry in Makita’s lithium-ion-powered compact-tool line. The LXFD01CW is an update of Makita’s original lithium-ion drill driver, the BDF452HW, and features a 15-minute charge time. It can deliver 40 ft-lb of max torque and weighs only 3.3 lb. It has 16 clutch positions and an all-metal two-speed transmission for a wide range of uses. Makita; 800-462-5482; www.makitatools.com Total Station: Long Distance The Topcon GPT-3200 Series of Total Stations features several improvements over earlier models. The GPT-3200NW is able to measure distances of up to
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.