October 15, 2009
Atlas Copco says its new lightweight, QLT 4 light tower has four 1,000-watt metal halide lamps and enhanced flicker-free lighting with 15 to 20 percent more efficiency. The mast extends up vertically to 31 feet and rotates 360 degrees. Other features include a runtime hour indicator, lockable enclosure, shutdown protection for low oil and high temperature, and a starting battery.
Teachers learn about mining at Illinois Teachers Workshop: Rocks, Minerals & Mining in Today’s Society