teacher in american classroom holding energy efficient compact fluorescent light bulb and traditional bulb, comparing energy use
RFID:Image ID:B8RK8R
Image details
Contributor:
wonderlandstock / Alamy Stock PhotoImage ID:
B8RK8RFile size:
49.6 MB (1.6 MB Compressed download)Releases:
Model - yes | Property - noDo I need a release?Dimensions:
3400 x 5100 px | 28.8 x 43.2 cm | 11.3 x 17 inches | 300dpiDate taken:
9 February 2009