For its new 12V MAX line of hand tools, DeWalt, Towson, Md., experimented with several different designs. Lead project engineer Eva Dixon and Christine Potter, director of new business marketing, spoke with ENR about the tool development process. Photo: Courtesy Of Dewalt The DeWalt 12V MAX line brings a unified form factor to a range of tools, including an infrared thermometer. Photo: Courtesy Of Dewalt A Drill/Driver Impact Wrench, Screwdriver And Inspection Camera. ENR: What was the drive behind creating this new line of tools? Potter: With the advancements in lithium-ion battery technology, we had an opportunity to develop cordless
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.