adult
blue
caucasian ethnicity
closeup
construction industry
construction worker
craftsperson
electricity
engineer
engineering
equipment
expertise
factory
focus on foreground
fuel and power generation
hand
human hand
industry
installing
isolated
machinery
males
mechanic
men
metal
occupation
one person
part of
people
professional occupation
repairing
repairman
science
selective focus
semiconductor
service
skill
steel
teamwork
technician
technology
two
unrecognizable person
women
work tool
working
workshop
wrench