Answer:
HVAC is stand for the heating, ventilation and the air conditioning system that basically perform various type computer management and operation system. It also helps to improve the productivity of the system.
As, HVAC system is very concerned about the security as it basically include various types of toxic chemical in the environment that include various types of criminal and terrorist activities and natural disaster.
The HVAC systems are easily cause various accidental cases due to its complexity nature. It also performing various types of function in the management sector like maintenance, system updating function an remote controlling maintenance.
Answer:
4
Explanation:
The mean is the sum divided by the count of numbers, so 36/9 = 4
Paper size is how big or small the paper is whilst paper margin is the staight lines or shapes at the sides of a page or sheet.