One of the most common myths about nodules is the diagnosis itself! Usually doctorâs donât have the necessary equipment (stroboscopy) to diagnose vocal problems. So all problems are called nodules. Every singer has a colleague who had ânodulesâ for this reason.
Glossary of HVAC terms. HVAC (heating, ventilation, and air conditioning) is a major subdiscipline of mechanical engineering. The goal of HVAC design is to balance indoor environmental comfort with other factors such as installation cost, ease of maintenance, and energy efficiency.
The fluid in the coil is cooled from a separate equipment called a Condensing Unit. (outside your house) If you take an Air Handling Unit, and a Condensing Unit, and you put them in the same metal enclosure, and directly interconnect them, THATâs an RTU. RTUâs cool the air by blowing it over (through) a coil filled with cooled refrigerant.