英文關鍵字
access
button
buzzer
closeup
communication
connection
control
digital
door
electronic
enter
entering
entrance
entry
equipment
finger
fingers
hand
home
house
identity
input
key
label
metal
modification
office
open
panel
passkey
password
permission
person
press
pressing
protection
push
safety
security
steel
system
systems
touch
touching
urban