This sign contains the text: "PERSONAL PROTECTION POLICY This is a designated hard hat area. All personnel must wear a hard hat. Anyone found in breach of this duty will be liable to the following discipline:- (A) ONE VERBAL WARNING followed by (B) ONE WRITTEN WARNING followed by (C) EXPULSION FROM SITE Please assist and protect yourself by keeping this a safe site. Wear your hard hat at all times and any other personal protective equipment that is necessary. MAINTAINING THIS POLICY IS IN ALL OUR INTERESTS. "