1.2 Materiality Analysis GRI 102-46 Within the reporting for relevant topics, in a multilevel process through a materiality workshop in 2016, Siegfried identified the following topics as being central and consequently prioritized them for this report: — Product Safety GRI 102-47 — Waste and Contamination — Fair Working Conditions — Sustainability in the Supply Chain — Occupational Health and Safety — Local Population — Energy and Climate Change — Political Representation of Interest — Corruption and Anti-competitive Conduct.