This page profiles water-treatment schemes other than those involving permanent magnets or magical "catalysts".All of these I consider "dubious" in the sense that there is no credible evidence in the
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Your RadioShack Passive Infrared Sensor Alarm is a high-quality, battery-operated security device. It uses a passive infrared (PIR) motion sensor to detect in-
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A Virtual Aluminium Ecosystem: Find news and business leads on a global aluminum industry portal that covers Bauxite, Alumina, Primary Aluminium, Secondary aluminium
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SPN1 Sunshine Pyranometer - Solar Radiation Measurement
SPN1 Sunshine Pyranometer User Manual v4.0 User Manual for the SPN1 Sunshine Pyranometer with full specifications, performance, installation and operating instructions.