Light Abbreviations and Acronyms
- GTSGolden T-Light Show
- GVMGreat Video Maker
- GYGreenish Yellow
- GYRGreen-Yellow-Red
- HAHHuman Achievement Hour
- HARTHillsborough Area Rapid Transit
- HBHigh-Bay
- HBLHole-Blocking Layer
- HCDHectocandela
- HCFLSHot Cathode Fluorescent Lamps
- HDPHeavy-Duty Professional
- HDRIHigh Dynamic Range Imagery
- HFMHigh-Frequency Modulation
- HGHenyey-Greenstein
- HHHeavy Hole
- HIHigh Intensity
- HIHigh-Intensity
- HIDHigh Intensity Sischarge
- HIDHigh-Intenzity Discharge
- HIDHigh-Intensity Discharge
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