EVACUATION

a way out, especially of a public building, room, or passenger vehicle.

An intercom is an intercom device. It can be defined as an independent electronic communication system intended for limited or private dialogue.

A loudspeaker converts amplified electric signals from radios, televisions, and stereo systems into sound that you can hear. In many ways, a loudspeaker is the opposite of a microphone, which converts sound into an electric signal.

Wouldn’t it be great if every time you moved you had professional help to get the job done quickly and easily? While it may be the ideal, it’s likely that there will come a time when you find yourself moving without any assistance from the pros—and that includes having to move heavy furniture by yourself.

A measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening.

A fire alarm system has a number of devices working together to detect and warn people through visual and audio appliances when smoke, fire, carbon monoxide or other emergencies are present. These alarms may be activated automatically from smoke detectors, and heat detectors or may also be activated via manual fire alarm activation devices such as manual call points or pull stations.

A sprinkler is a device used to spray water. Sprinklers are used to water plants or grass, or to put out fires in buildings.

to remove something (such as gas or water) from especially by pumping.

An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.

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a curved symmetrical structure spanning an opening and typically supporting the weight of a bridge, roof, or wall above it.