機器
airport
automatic
built
business
corridor
down
dynamic
elevate
elevator
empty
entrance
entry
footpath
glass
hall
hallway
handrail
interior
lobby
mall
material
mechanical
metal
nobody
passage
passageway
pedestrian
perspective
public
rise
shop
stair
staircase
stairway
steel
step
subway
technology
terminal
transfer
transport
transportation
up
upstairs
walk
walkway
way