Recycling of waste and trash; decontamination of hazardous materials; sorting of waste and recyclable material; recycling of waste; treatment of toxic waste; air purification; fuel treatment services

Heating apparatus, namely, air heating apparatus; boiler pipes and tubes for heating installations; heating apparatus for solid, liquid or gaseous fuels; heating elements; heat exchangers, other than parts of machines; evaporators, namely, cooling evaporators; water heaters; dampers for furnaces; steam generating installations; steam accumulators