THTF

Steam engines not for land vehicles; engine parts, namely, steam engine boilers not for land vehicles; aerators; trash compacting machines; garbage waste disposals; gas separators; heat exchangers being parts of machines

Laboratory burners, namely, bunsen burners for laboratory use; boilers other than parts of machines, namely, boilers for heating installations, heating boilers, electrical boilers, furnace boilers, and industrial boilers; kilns; fuel economizers, namely, magnetic fuel economizers which measure and regulate fuel for furnaces and boilers; incinerators; burners, namely, acetylene burners and gas burners; gas generators installations, namely, electrochemical gas generators; heat exchangers not being parts of machines; air heaters, namely, electric patio air heaters, electric air heaters for commercial use; air purifying apparatus

Energy technology project studies and environmental technology project studies; engineering; engineering drawing; research and development of new products for others; environment protecting consultation, namely, environmental protecting consultation related to environmental assessment, compliance and planning; performance and executing of chemical analysis