teacher in american classroom holding energy efficient compact fluorescent light bulb and traditional bulb, comparing energy use

teacher in american classroom holding energy efficient compact fluorescent light bulb and traditional bulb, comparing energy use Stock Photo
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Image details

Contributor:

wonderlandstock / Alamy Stock Photo

Image ID:

B8RK8R

File size:

49.6 MB (1.6 MB Compressed download)

Releases:

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Dimensions:

3400 x 5100 px | 28.8 x 43.2 cm | 11.3 x 17 inches | 300dpi

Date taken:

9 February 2009