This group includes chemical engineering technicians not elsewhere classified, for example those who perform tasks similar to those of Chemical engineering technician, general (0-36.10) but specialise in technical tasks contributory to development and efficient utilisation of fuels or to design, construction, operation, maintenance and repair of plant for the chemical and physical transformation of matter for the manufacture of a particular type of commodity such as antibiotics, plastics, explosives, rubber or pigments, or of plant for production and distribution of fuel gas for industrial, domestic and other uses.