Textile machinery - Safety requirements - Part 1: Common requirements (ISO 11111-1:2009); German version EN ISO 11111-1:2009, Corrigendum to DIN EN ISO 11111-1:2009-12— 2 стр.
Railway applications - Design for PRM use - General requirements - Part 3: Optical and friction characteristics; German version EN 16584-3:2017— 23 стр.
Light and lighting - Lighting of work places - Part 1: Indoor work places; Supplement 1: Lighting concepts and lighting types for artificial lighting— 12 стр.