impact (n), the effect or influence that an event, situation etc. has on someone or something, tram (n)/ tramcar, streetcar, trolley, a vehicle driven by electricity, that runs on rails along the streets of a town and carries passengers, infrastructure (n), the basic systems and structures that a country or organization needs in order to work properly, dweller (n), a person or an animal that lives in the particular place, sensor (n), a device that can react to light, heat, pressure, etc. in order to make a machine, etc. do something or show something

Unit 3 - Getting started

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