機器
access
alarm
anti thief
auto
automatic
automobile
automotive
background
black
burglar alarm
business
button
car
communication
control
electronic
element
engine
equipment
frequency
hand
icon
insurance
key
leasing
lock
object
outdoor
protection
remote
remote control
safety
security
services
sign
signaling
single
symbol
system
technology
transport
transportation
unlock
vehicle
wave
wheel
wireless