HWMDHazardous Waste Management Division
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References in periodicals archive ?
Hand-worn metal detectors (HWMDs) are relatively new instantiation of security screening metal detector.
To test the detection performance of HHMDs and HWMDs, metal test objects are brought near the metal detector and the presence or absence of an alarm is recorded.
For HWMDs, by their very nature of being pliable to conform to being worn, [[sigma].sub.[THETA]] may be greater than 10[degrees] and variable between different users or tests.