n South African Food Review - Detectable contaminant challenges : inspection, coding & marking
|Article Title||Detectable contaminant challenges : inspection, coding & marking|
|© Publisher:||New Media Publishing|
|Journal||South African Food Review|
|Publication Date||Jun 2014|
|Pages||41 - 43|
In security applications, such as airport screening, metal detectors use radio frequency signals to react to moving metal, such as coins in a pocket. Protecting the public from food contaminants, can be even trickier.
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