Source:- chemengonline.com Mitsubishi Heavy Industries, Ltd. (MHI; Tokyo, Japan; www.mhi.com) has conducted a running test of the prototype EX ROVR, a plant inspection robot with explosion protection features to limit the danger of the robot itself igniting an explosion or fire from electric sparks or heat, even in areas with flammable gas. The test was conducted jointly with JXTG Nippon Oil & Energy Corp. at its Mizushima Refinery in Kurashiki, Okayama Prefecture. During the test, the EX ROVR moved autonomously through several