機器
above
aerial
bucket
cable
cherry
construction
danger
dangerous
drill
drone
electric
electrical
electrician
electricity
energy
estop
fixes
gloves
grating
grid
grillage
hardhat
job
lift
line
picker
pipes
pole
power
repair
repairman
service
staircase
stairs
steel
technician
top
truck
utility
vest
view
voltage
warning
worker