The subject of this call for tenders is “Maintenance and update of the content of OSHwiki articles”. The OSHwiki was launched in 2014 with the aim of providing relevant, reliable and updated information for the OSH community through a sustainable stock of OSHwiki articles giving a European view on OSH to a bigger audience and has to be updated on an ongoing basis. The OSHwiki content is grouped around the 11 main topical entry points which are:  OSH in general  OSH Management and organisation  Prevention and control strategies  Dangerous substances (chemical and biological)  Physical agents  Ergonomics  Safety  Psychosocial issues  Health  Sectors and occupations  Groups at risk More information on OSHwiki can be found here: https://oshwiki.osha.europa.eu/en