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.
What is RTF? It stands for Rigid Thermofoil. It is a very durable, low-maintenance material made to look like real wood, painted surfaces and more. Rigid Thermofoil is a process that uses heat and pressure to bond a thin (8 to 16 mil) Polyvinyl Chloride (PVC) film to a substrate, typically medium density fiberboard (MDF).