Entertainment / Golf / Markers: (also 'tee markers, blocks, tee blocks') two objects that indicate the foreward boundary of the teeing area
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Technology / Radar / Range Markers: Equally spaced concentric rings of light on the ppi which permit the radar observer to determine the range to a contact in accordance with the range setting or the range of the outer rings. See variab MORE
Entertainment / Golf / Tee Markers: (also 'markers, tee blocks, blocks') two objects that indicate the foreward boundary of the teeing area MORE
Entertainment / Bowling / Lane Markers: Range finders (alley sights) and foot guide lines. MORE
Science / Genetics / Marker: A gene with a known location on a chromosome and a clear-cut phenotype, used as a point of reference when mapping a new mutant. MORE
Entertainment / Bowling / Dots: Series of seven spots on the lanes past the foul line but before the arrows; used to assist in targeting and alignment; also, the same spots on the approach normally used to align your feet in your in MORE
Entertainment / Bowling / Range Finders: Markers in the lane that help the bowler determine the target line. There are two sets of such markers: ten dots located seven feet past the foul line and seven arrows arranged in a triangle beginning MORE