Graphical symbols - Safety colours and safety signs - Part 1: Design principles for safety signs in workplaces and public areas (ISO 3864-1:2002 modified)— 32 стр.
Graphical symbols - Safety colours and safety signs - Part 3: Design principles for graphical symbols for use in safety signs (ISO 3864-3:2006)— 32 стр.
Safety rules for the construction and installations of lifts - Particular applications for passenger and good passenger lifts - Part 70: Accessibility to lifts for persons including persons with disability; German version EN 81-70:2003— 30 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Installation of lifts, escalators, passenger conveyors and materials handling equipment— 14 стр.