ruler and calculator

by ryanlerch - uploaded on November 9, 2007, 4:59 am

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

Tags
calculator counting epa epa sunwise equals externalsource geometry maths plus rule ruler adding
Safe for Work?
Yes

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