TA HYDRONICS

manually operated metal valves not being part of machines; and metal couplings and metal joints for piping and hosing

automated controls, instruments, programmed timers, circuit boards and computer software for heating, cooling, ventilation adjustment, lighting power supply, air conditioning, and security devices in buildings; automatic valves which are not part of machines; transformers and rheostats; and fire extinguishers

computer controlled systems, namely, lighting, heating, cooling, steam generating, cooking, ventilation, water supply, security and sanitation units for buildings