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.
If you are currently searching for a new heating or cooling unit, you may have seen the abbreviation BTU. Getting a unit with the appropriate BTU for your home Before investing in a new home furnace, be sure you understand what terms are used in HVAC. BTU is a term used in central heating.