英文關鍵字
people
person
working
construction
job
industry
infrastructure
industrial
roadworks
equipment
workman
tools
urban
city
dig
transportation
cones
highway
street
britain
british
disruption
road
yellow
coats
clothing
safety
fluorescent
company
contractor
employee
employment
foreman
highvisibility
jacket
manager
professional
project
visibility
protection
vest
work
worker
workwear
reflective