Consideration about investigation method of an industrial accident

The way to investigate the cause of an industrial accident is considered. It's important for the staff who investigate an accident to be the person who became independent from a production site. Moreover a special right has to be granted to the staff in the organization. The reason is because it's necessary that they have a different viewpoint from field overseer. The staff's viewpoint is a one related to the importance of the site preservation,necessity of an information feedback and the way to fill out an accident report. It was modeled in the last chapter about a relation of the various factors which have an influence on accident investigation.