Test, maintain, and restore to working order any component of the main engineering systems used within a property, including but not limited to the following: (HVAC) systems to include pumps, fans, motors, coils, filters, sheet metal and controls for air transmission and distribution (pneumatic, electric, and electronic). Test, maintain, and restore to working order any component of the emergency systems used within the property, including but not limited to the following: (Fire Alarm) system to include initiating devices, main fire alarm panel components.