This illustrated workbook accompanies the Arborists' Knots for Climbing & Rigging DVD. You can earn two CEUs* by completing the
workbook test answer sheets, returning them to ISA for
grading, and receiving a score of 80% or greater. (©2006, softcover, 28 pp.)
*These CEUs may be submitted only once during the life of your certification.
©International Society of Arboriculture 2009-2017
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