Emergency rescue requires the rescuers to rapidly arrive at the rescue site. Use of powered ascending device combined with rope access can help the rescuers quickly and safely reach the site.

 The emergency rescuers shall master rope access skills at a higher level, such as use of mechanical advantage system to lift up and rescue the casualty, and application of cross haul skills to evacuate the casualty. The emergency rescuers shall take the training on rope access at a higher level.