(If this appears correctly) it should be ÂµA but it's quicker to type uA. Answer: UA stands for Urine Analysis.. When you pee in a cup and the doctors take it and analyze it to see if you or whoever has done any drugs or drank any alcohol in the past two weeks. Microamperes. The u is the closest letter many computer keyboards have to the Greek mu symbol.
Do not blind other drivers with your high beam headlights. Dim your lights by switching to low beams before you are 500 feet from a vehicle coming toward you. If you are following another vehicle, change to low beams when you get closer than 300 feet. Use your high beams whenever possible as long as it is not illegal (i.e., in open country when other cars are not near or on dark city streets when no other traffic would be affected by your high beams).
Trailers that are more than 80 inches wide must be equipped with additional lighting on the front and rear to indicate the trailer's width. Two red rear clearance lights must be placed at the trailer's widest point, as far apart and as high as possible.ear side lights must be red and placed as far back on the trailer as possible, between 15 and 60 inches high. Yellow front side lights must be placed as close to the front of the trailer as possible and be at least 15 inches high.