Courtesy of YouTube/Assembly Access SawStop LLC uses an electrical sensor to stop a blade when it comes in contact with flesh or similar conductive material. Courtesy of YouTube/Assembly Access The California legislature is considering a measure requiring a SawStop-like safety device. Related Links: Safety Product Engineers To Offer Contractors New Lineup of Finger-Saving Table Saws Video: How SawStop Works Safety standards for table saws may soon get more stringent in the state of California. A bill under consideration in the state Legislature would require "injury-mitigation technology" to be built into every table saw sold in the state starting in 2016.The
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.