http://www.w3.org/ns/prov#value | - a combination of both is ideal i think. an amber direction arrow in the rear are great. they can be used at any time and having a little amber to break up the red is a good idea. try to stay away from clear lights, the seem to blind many people at night. does anyone if the NFPA standard for appartus has changed that an amber light must in the rear of the rig. our new rig has 1 red rear rotator and
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