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