Wearing protective safety gear operator must be strictly implemented for operators who will perform aerial tasks in this vehicle. Either the restraining belt or body harness must be attached to the boom to prevent falling. If the worker is accidentally tossed to the edge of the boom, the safety harness or the restraining belt will hold the person and prevent falling. When working with the lift, employees should stand firmly on the bucket floor and never climb or sit on the edge of the bucket. Source: speedreducer.org
Source:
http://www.speedreducer.org/news/news-38.html