Ключевые слова: access, accessibility, asian, automatic, barrier, building, businessman, check, city, control, design, door, enter, entrance, entry, equipment, exit, gate, hand, machine, male, man, metro, mobile, modern, office, officer, opener, pass, people, phone, public, routine, scan, scanning, security, sign, smart, smartphone, station, subway, technology, ticket, touching, train, transport, transportation, underground, urban, using,