| http://www.w3.org/ns/prov#value | - A radiation detector as claimed in claim 66 wherein the means for providing an indication is a display which comprises a green LED for indicating temperature from about zero degrees centigrade to about 10 degrees centigrade, a yellow LED for indicating temperature from about 10 degrees centigrade to about 20 degrees centigrade, and a first red LE for indicating temperature from about 20 degrees ce
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