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structure

Pothole

Pothole

A pothole is a depression in a road surface, usually asphalt pavement, where traffic has removed broken pieces of the pavement. It is usually th…

Emergency exit

Emergency exit

An emergency exit in a structure is a special exit for emergencies such as a fire: the combined use of regular and special exits allows for fast…

Charging station

Charging station

A charging station is an element in an infrastructure that supplies electric energy for the recharging of plug-in electric vehicles—including el…

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