英文關鍵字
operator
move
machinery
panel
uniform
driver
engineer
truck
heavy
up
arm
engineering
vehicle
control
machine
worker
workwear
power
mechanic
technique
lift
transport
controls
industrial
recording
work
crane
hydraulic
closeup
bulldozer
fork
industry
technology
excavator
lever
cabin
handle
metal
old
joystick
equipment
construction
building
operating
blank
note
oil
production