HOW TO MAKE Magnetic Ballast for Metal Halide and HPS lamps
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High voltage sodium/halide ignitor teardown
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Resistive Ballasting a 400W Metal Halide Lamp
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Pruebo los Nuevos SUPER LÁSERES... ¡Estos revolucionarán la industria maker!
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Grow Lights Explained: High Pressure Sodium (HPS)
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New Old Stock Philips 55w SOX 03/95 first ever warm up
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V-TAC LED HID Replacement PREVIEW + START-UP (LED OLIVE LAMP)
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Forget Doping, These GENIUS Cheaters Will Blow Your Mind
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