機器
accident
alarm
alert
arrow
automation
button
cancel
circle
control
danger
directional
electric
electrical
emergency
engineer
factory
generator
help
industrial
industry
machinery
manufacturing
mechanical
off
panel
panic
pendant
pneumatic
power
press
prevention
problems
protection
push
red
reset
safety
security
sign
stop
switch
symbol
system
technical
technology
valve
warning
worker
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