英文關鍵字
driver
excavator
operator
worker
sitting
machinery
helmet
equipment
bulldozer
work
heavy
construction
site
industrial
safety
machine
builder
operation
caterpillar
digger
earthmoving
shovelman
tractor
cabin
job
outdoor
outside
crawler
man
person
male
people
employee
labor
orange
yellow
waistcoat
vest
sunglasses
transport
cockpit
industry
looking
talking
mechanic
hardhat
backhoe
dredge
sunlight