Subclass 5/00: Applications of radiation from radioactive sources or arrangements therefor (producing mutation in plants A01H 1/06 ; preservation of dairy products A23C 3/07 ; preservation of foodstuffs A23L 3/26 ; for therapeutic purposes A61N 5/1 ; in chemical, physical or physicochemical processes in general B01J 19/08 ; in electrostatic separation B03C 3/38 ; for after-treatment of coatings applied as liquids or other fluent materials B05D 3/06 ; for action between electric vehicles and tracked apparatus B61L 1/1, B61L 3/06 ;  for preparation of organic chemical compounds C07, C08F 2/46 ; for treating macromolecular substances or articles made therefrom B29C 71/04, C08J 3/28, C08J 7/18 ; for cracking of hydrocarbon oils C10G 15/1, C10G 32/04 ; for reforming naphtha C10G 35/16 ; preservation or ageing of products obtained from fermentation processes C12H 1/06, C12H 1/16 ; for bleaching fibres D06L 3/04 ; measuring G01T ; irradiation devices, gamma- or X-ray microscopes G21K ; in discharge tubes H01J ; apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere, H01T 23/00 ; for carrying-off electrostatic charges H05F 3/06 )