business
close up
company
construct
construction
construction trolley
constructor
contractor
control
development
employee
employment
factory
foreman
glove
happy
hardhat
helmet
industrial
industry
inspector
job
labor
man
manufactory
manufacture
multiethnic
multiracial
occupation
outdoors
plant
production
profession
reflective vest
safety equipment
service
steel
storage
supervisor
tank
uniform
walkietalkie
work
worker
workman
young