Codes of practice for drinking water installations (TRWI); survey of standards and other codes of practice about materials, components and apparatus; DVGW code of practice— 15 стр.
Safety of machinery - Ergonomic requirements for the design of displays and control actuators - Part 3: Control actuators; German version EN 894-3:2000— 37 стр.
Safety of machinery - Basic concepts, general principles for design - Part 1: Basic terminology, methodology (ISO 12100-1:2003); German version EN ISO 12100-1:2003— 42 стр.
Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles (ISO 12100-2:2003) German version EN ISO 12100-2:2003— 40 стр.