Division 6.4 Protection against mechanical and thermal risks United Kingdom Original text. Later amendments are not shown. 6.4.1Division 6.4.1 6.4.2Division 6.4.2 6.4.3Division 6.4.3 6.4.4Division 6.4.4 6.4.5Division 6.4.5 ← Division 6.3 Division 6.4 Division 6.4.1 →