| http://www.w3.org/ns/prov#value | - The method may comprise providing a handheld housing; providing at least one LED that produces ultraviolet light wherein the at least one LED is associated with the housing and arranged to irradiate from the housing; and having a user hold the housing and irradiate a surface to be purified. [0025] A further embodiment of the present invention is a method of irradiating an object with ultraviolet l
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