1. Council Directive 89/391/EEC of 12 June 1989 on the introduction of measures to encourage improvements in the safety and health of workers at work (Official Journal L 183, 29/06/1989 P. 0001–0008)
2. Council Directive 90/269/EEC of 29 May 1990 on the minimum health and safety requirements for the manual handling of loads where there is a risk particularly of back injury to workers (fourth individual Directive within the meaning of Article 16 (1) of Directive 89/391/EEC) (Official Journal L 156, 21/06/1990 P. 0009–0013)
3. Directive 2006/42/EC of the european parliament and of the council of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast) (Official Journal of the European Union L 157/24. 9.6.2006)
4. EN 1005-5:2007. Safety of machinery – Human physical performance – Part 5: Risk assessment for repetitive handling at high frequency