activity
board
builder
building
building site
business
cabinet maker
caucasian
circuit
city
construction
constructor
contractor
craft
drill
drilling
ear protection
electric
electrical
electrical line
electrician
gesture
industrial
industry
learning
line
man
manual
manual work
master
network
occupation
paper
people
person
plant
positive
scheme
shirt
show
showing
smile
talks
team
together
tradesman
woman
work
worker
workshop