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The article evaluates several products including the MDM900 mill-discharge slurry pump by Metso Outotec Corp., the plug connector from the miniCON series by R. Stahl AG, and the Rack Fire Protect building by Denios, Inc.

The article discusses the importance of having point-level switches in the storage and manufacturing of hazardous materials for the safety of people and environment from chemical spills. Topics include testing point-level switches for possible failure on demand (PFD), placement of the float point-level, ultrasonic point-level and capacitance point-level switches. Also cited are the use of level technologies for prevention of overfill such as ultrasonics, free-space radar or guided radar.