#ascending #confinedspacerescue #descending #roperescue #roperescuetechnician #rappelling #roperescueprofessional #maap #bfpncr #knotsrope #3:1verticalzrig #3:1MAsystem
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3:1 vertical Z-rig M.A. system|3:1 M.A. system|high angle rope rescue
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