英文關鍵字
alarm
alert
background
blinking
camera
caution
danger
design
emergency
evacuate
evacuation
fire
flashing
footage
graphic
information
led
monitor
motion
panel
procedure
red
safety
screen
security
sign
signal
symbol
warning
英文關鍵字
alarm
alert
background
blinking
camera
caution
danger
design
emergency
evacuate
evacuation
fire
flashing
footage
graphic
information
led
monitor
motion
panel
procedure
red
safety
screen
security
sign
signal
symbol
warning