Thursday, 2024-12-26
The daily puzzle:
What does '*****' mean in the following text?
"HVAC (heating, ventilating, and air conditioning; also heating, ventilation, and air conditioning) is the technology of indoor and vehicular environmental comfort. Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer. The heat generation is done by a *****."--++--++--
The answer and more (#)