機器
accident
alarm
alert
amusement
background
button
cancel system
child
danger
electric
electrical concept
emergency
entertainment
equipment
factory
finger
fire
hand
help
industrial
industry
kid
machinery worker
manufacturing technology
mechanical
off
panel
panic
park
plant
play
power
press
problem
protection
push
red
reset control
ride
safety
school
security
shutdown
sign
signal
start
stop
switch
toy
train
training
warning
wheel
work
定額
Close up on signal lamp indicator emergency and shut down button for show status of machine electrical and control system symbol. educationの素材 [FY31089628317]
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