Steam generating installations, steam accumulators, steam generators; steam generation and utilization systems comprising steam traps, pressure gauges, control valves, pressure regulating valves, blow down valves, check valves, incondensable gases eliminators, reservoirs, heat exchangers, pipes, vents, tanks, boilers, steam boilers, deaerators, pumps, control systems and heat transfer exchangers

Educational services, namely, the organization, implementation and holding of seminars, training courses, conferences, congresses, meetings, symposia, workshops, colloquia and lectures in the field of telecommunications

construction materials, namely forming tubes, bond breakers, concrete chemicals, and cleaning chemicals for concrete; concrete accessories, namely lift inserts, braces, tilt wall braces, snap brackets and forms and form devices

SOLIDS CONCENTRATION CONTROLS, PROBES, AND METERS FOR SEWAGE PLANT PUMPS, RESPONSIVE TO SLUDGE CONCENTRATION

SECURITY GUARD SERVICES

Pipeline inspection services

Showshelves; Display racks for bracelets; Free-standing panel units for exhibitions, displays and partitioning; Jewelry organizer displays in the nature of display stands for displaying and organizing jewelry; Non-metal shelf brackets; Shoe racks

Book rests; Book stands; Display boards; Display racks; Display stands; Drawer organizers; Hat stands; Holiday ornaments of plastic; Jewelry organizer displays; Metal display stands; Non-metal plant hangers; Plastic cases; Plastic hang tags; Plastic storage tanks; Retail display units