low angle medium shot illuminated light bulb / hand reaching up and pulling pull cord / turning off light - light bulb pull string stock videos & royalty-free footage00:07Low angle medium shot illuminated light bulb / hand reaching up and pulling pull cord / turning off lightString, Pulling
low angle medium shot illuminated light bulb / hand reaching up and pulling pull cord / turning off light - light bulb pull string stock videos & royalty-free footage00:06Low angle medium shot illuminated light bulb / hand reaching up and pulling pull cord / turning off lightLight Bulb, Pulling
low angle medium shot darkened light bulb / hand reaching up and pulling pull cord / turning on light - light bulb pull string stock videos & royalty-free footage00:06Low angle medium shot darkened light bulb / hand reaching up and pulling pull cord / turning on lightPulling, String, Light Bulb
sequence showing the tensile strength of carbon filament as it is hung from a ceiling, uk. - light bulb pull string stock videos & royalty-free footage00:11Sequence showing the tensile strength of carbon filament as it is hung from a ceiling, UK.Carbon Fibre
hand pulls string turning light bulb off and on - light bulb pull string stock videos & royalty-free footage00:09Hand Pulls String Turning Light Bulb Off and OnBasement, Attic, Pipe - Tube
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