Creative Commons Attributions

Cover photo:
Monthly Safety Stand Down by NAVFAC is used under a Creative Commons Attribution 2.0 Generic Licence.

Figure attributions for Competency A-1, Learning Task 2  include:
Figure 1 – Pre-fabricate hydraulic shoring by Sbhrus under Creative Commons Attribution-ShareAlike 3.0 Unported Licence

Figure 3 – Trench box by the National Institute for Occupational Safety and Health under Public Domain