機器
30s
35s
adult
african
american
boss
builder
building
business
caucasian
communicate
confident
construction
contractor
coveralls
device
drill
engineer
foreman
hammer
headwear
helmet
holding
house
industry
inspect
interior
maintenance
male
man
manual
nigerian
occupation
person
profession
professional
reconstruction
renovation
repair
repairman
site
space
tool
uniform
worker
workman
young