Carrying out work as usual cannot be considered the cause of a work accident

To establish that there was an accident at work the accident must happen in the course of carrying out employee duties and the injury cause must be external, out of the ordinary and unforeseeable. It is precisely that part which is both crucial and questionable because it is not easy to distinguish between an external and internal cause of injury, the latter being directly related to work itself – Łukasz Chruściel comments for Rzeczpospolita.

Article: here.