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.
more HVAC definitions. The HVAC industry measures the capacity of heating and cooling systems with many different terms. This page presents and defines the most commonly used terms. A BTU is the quantity of heat required to raise 1 pound of water by 1 degree Fahrenheit.