英文關鍵字
people
person
working
roadworks
construction
job
hivis
visibility
industry
contractor
infrastructure
industrial
equipment
urban
transportation
signs
highway
street
england
warning
english
arrow
britain
british
disruption
uk
road
yellow
safety
fluorescent
direction
employee
employment
foreman
highvisibility
jacket
protection
vest
work
worker
workman
workwear
reflective
protective
blue
hazzard