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bearbreeder
Jun 13, 2014
“Hang Em High:
How Far Can You Trust Your
Belay Device?
J. Marc Beverly, BS-EMS, M-PAS
Stephen W. Attaway, Ph.D.
”
How Far Can You Trust Your
Belay Device?
J. Marc Beverly, BS-EMS, M-PAS
Stephen W. Attaway, Ph.D.
”



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