機器
advice
builder
bulldozer
business
cabin
call
cellphone
communication
construction
conversation
driver
earthmover
equipment
excavator
explain
explaining
fluorescent
foreman
glasses
hardhat
helmet
high vis
industrial
industry
jacket
job
loader
machinery
male
man
mechanic
mobile
operator
phone
professional
safety
site
smartphone
talk
talking
tractor
transport
vehicle
work
worker
workplace
workwear
yellow