Determine the heights of kerbs
Determine road names and types
Specify whether there are crossings at intersections of paths and roads
Specify line_attachment power support
Specify whether roads are prohibited for pedestrians
Specify whether parking requires a fee
Specify whether places take fees to visit
Survey if vacant places are still vacant
Specify whether crosswalks have tactile paving
Specify whether public transport stops have bins
Specify whether public transport stops have shelters
Specify whether pedestrian crossings have traffic signals
Specify whether pedestrian crossings have islands
Determine on which level shops are in a building
Survey hairdresser's customers
Survey whether laundries provide self-service