機器
30s
building
buildingsite
caucasian
clipboard
construction
engineer
engineering
frontview
guy
happy
hard
headphone
individualbusiness
industry
interior
job
kneeling
mature
middleaged
occupation
oneperson
people
person
photogenic
pipe
plumber
portrait
selfemployed
skill
smallbusiness
smiling
standing
timber
vertical
work
worker
working