英文關鍵字
smart
phone
fire
hazard
chroma
key
green
background
burning
battery
problem
burnt
charging
damaged
danger
defection
electrical
component
failure
electronic
device
emergency
sign
risk
heat
temperature
igniting
illuminated
incidental
people
indoors
injury
mobile
modern
overheating
portable
information
potential
power
surge
problems
repairing
short
circuit
smoke
physical
structure
solution
sparks
technology
warning
symbol