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why were you told to remove the plate covers prior to exposure them to uv?


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why were you told to remove the plate covers prior to exposure them to uv?

Nov 21st, 2017

Assuming the plate cover is of steel, you have to remove  this plate because UV radiation cannot penetrate steel easily.

Apr 28th, 2015

thank you so much ! 

Apr 28th, 2015

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Nov 21st, 2017
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Nov 21st, 2017
Nov 22nd, 2017
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