11
Coils as parts of distilling, heating or cooling installations; Distillation apparatus; Evaporators; Evaporators for air conditioners; Heat accumulators; Heat exchangers not being parts of machines; Heat generators; Heat pumps; Heating boilers; Heating installations; Hot-water space heating apparatus; Immersion heaters; Pavement heating apparatus; Peltier cooling and heating apparatus; Pipes for heating boilers; Regulating accessories for water supply, namely, metered valves; Steam accumulators; Steam generating installations; Steam generators; Steam heating apparatus
40
Decontamination of hazardous materials; Destruction of waste and trash; Incineration of waste; Recycling of waste and trash; Sorting of waste and recyclable material; Waste treatment; Water treating
42
Chemical analysis; Chemist services; Consulting services in the field of industrial engineering; Industrial design; Industrial design services; Material testing; Technical consultancy in the field of environmental science; Technical consultation in the field of power plant engineering, namely, testing and evaluation of power plant equipment to improve performance and efficiency of such equipment; Technical consulting in the field of environmental engineering; Technical research in the field of aeronautics