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Video Footage: Unrecognizable Female Teacher Showing Incandescent Light Bulb And Led Lamp To Her Students In Ecology Classroom

ID 278493365 © Dobledphoto | Megapixl.com

Unrecognizable female teacher showing incandescent light bulb and led lamp to her students in ecology classroom. Sustainable green illumination concept.

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© Dobledphoto | Megapixl.com

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anonymous bulb caucasian children class compare comparison eco ecology economy education efficiency electrical electricity energy environmental faceless female fluorescent girl green hand holding horizontal illumination incandescent lamp learn led lighting panel people person recycle renewable school showing solar student sustainable teacher three unrecognizable versus woman 4k

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