This European Standard was approved by CEN on 10 May 2006 and includes Amendment 1 approved by CEN on 7 March 2009. Supersedes EN 14958:2006. The European Standard EN 14958:2006+A1:2009 has status of the Standard of Republic Italy. 60 p. This European Standard deals with the significant hazards, hazardous situations and events relevant to the following machinery for grinding and processing of flour and semolina, as defined in Clause 3: roller mills, plan sifters and rotary separators, air classifiers, rotating machines and impact machines.