a) Environmental engineering is included in Group 4011 Environmental engineering. b) Genetic modification of plants, microbes or animals for agricultural purposes is
included in Group 3001 Agricultural biotechnology. c) Genetic modification of plants, microbes or animals for industrial purposes (other
than agriculture) is included in Group 3106 Industrial biotechnology. d) Genetic modification of plants, microbes or animals for medical purposes is included
in Group 3206 Medical biotechnology. e) Nanometrology is included in Group 4018 Nanotechnology.