auto
blue
business
car
concept
construction
electrical
electrician
engineer
factory
garage
hat
industrial
industry
interior
iron
job
laboratory
manufacture
mechanic
mechanical
metal
people
person
plant
plumber
professional
repair
repairer
repairman
safety
serious
service
servicing
shop
side
specialist
steel
technical
technician
uniform
upkeep
work
worker
works
workshop