evacuator
/ɪˈvækjʊˌeɪtər/Definitions
1. noun
A person or device responsible for evacuating people or things from a building, area, or vehicle, especially in emergency situations.
“The building’s fire alarm triggered the automatic evacuator system, clearing the area within minutes.”
2. noun
A machine or vehicle used to remove debris, rubble, or other materials from a site, especially after a disaster or demolition.
“The construction crew used an excavator to clear the rubble from the damaged building.”