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https://en.wikipedia.org/wiki/Hid

https://en.wikipedia.org/wiki/Hidden_Figures

https://en.wikipedia.org/wiki/Hidden_Markov_model

https://en.wikipedia.org/wiki/Hideo_Kojima

https://en.wikipedia.org/wiki/Hideki_Tojo

High-intensity discharge lamp – Wikipedia

High-Intensity Discharge Lighting Basics – Energy.gov

What is the difference between HID and LED lighting …

HID Bulbs – Light Bulbs – The Home Depot