A pre-action system is a type of fire suppression system that helps prevent unintentional water leaks that occur when the system is activated by pulling two triggers.
Printers are devices that produce physical copies of digital documents or images, while scanners convert physical documents or images into digital formats for storage or editing.
SMATV (Satellite Master Antenna Television) is a centralized system that distributes television signals to multiple units within a building or complex, such as hotels, apartments, or hospitals.
A sprinkler system is a network of pipes, valves, and sprinkler heads designed to distribute water or suppress fires. In irrigation, it simulates rainfall to water crops, lawns, and landscapes efficiently, while in fire protection, it activates upon detecting heat to control or extinguish fires, safeguarding lives and property.