International Door & Operator Industry

NOV-DEC 2017

Garage door industry magazine for garage door dealers, garage door manufacturers, garage door distributors, garage door installers, loading docks, garage door operators and openers, gates, and tools for the door industry.

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The science, physics and dynamics of the garage door system $15.00 U.S. TM IDA Scholarship Foundation 2017 Scholarship Recipients SAFETY It Should Be Our State of Mind See page 8 See page 16 A Complex Engineering Marvel VOLUME 50 • ISSUE 6 December 2017 www.doors.org Updated information for IDAExpo 2018 International Door Association P.O. Box 246 West Milton, OH 45383-0246 CHANGE SERVICE REQUESTED Publications Mail Agreement #40656665 Return Undeliverable Canadian Addresses to Station A, P.O. Box 54 Windsor, Ontario N9A 6J5 Email: door_operator@longmgt.com PRSRT STD AUTO U.S. Postage PAID Lebanon Jct., KY Permit No. 32

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