__________ filters are utilized for purpose, especially with high temp – McqOptions

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1.	__________ filters are utilized for purpose, especially with high temperature blackbody radiation, where large amounts of U.V. light (which could cautilize eye and skin damage) are produced.
A.	tHeat
B.	tUV
C.	tGrey body
D.	tDye
Answer» C. tGrey body

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