{HEAD ~ A screen apparatus}, which in {TAIL ~ certain aspects} is a screen apparatus having a support, screening material on the support, and energizable identification apparatus on the support for identifying the screen apparatus; a vibratory separator with such a screen apparatus; and a vibratory separator or shaker with energizable identification apparatus 
{ HEAD ~ A screen apparatus } , which in { TAIL ~ certain aspects } is a screen apparatus having a support , screening material on the support , and energizable identification apparatus on the support for identifying the screen apparatus ; a vibratory separator with such a screen apparatus ; and a vibratory separator or shaker with energizable identification apparatus
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