an image from the US government EPA "Sunwise" program. I converted it from PDF format, and removed all the "sunwise" logos. the source link is here - http://www.epa.gov/sunwise/doc/guide.pdf
This free Clipart png design of ruler and calculator clipart has been published by ClipartsFree.net. The origional size of the image is 900 × 349 px and the original resolution is 300 DPI.
2524 Views / 60 Downloads / ryanlerch / 2011-09-11
Thousands ClipartsFree users have previously viewed this image, from photographs free collection on ClipartsFree. The source also offers Clip arts photographs free: ruler, and, calculator,
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