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List of Abbreviations Used
B   Bridge Mount, Mechanical Remote Control Operation.
D   Direct Operation, Hands-On Aiming.
H   High Mount, Elevated or Extended Mounting Base.
WB   Wide Beam Focus, Larger area with less distance.
NB   Narrow Beam Focus, Smaller area covered at greater distance.
HPS   High Pressure Sodium Lamp.
MH   Metal Halide Lamp.
See "Artificial Light Sources" under Facts about Lighting for an | ||||||||||||||
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