機器
black
bolt
bright
business
copy space
hex screw
hexagon bolt
hexagon socket
hexagonal
hole
image
indoor
industrial
industrial products
item
lot
manufacture
manufacturing industry
mark
masters
mecha
metal
multiple
no people
no person
nobody
parts
screw
side
simple
space
still life
studio
studio shooting
taking a picture
text space
there is no person
white
white back
white space