1
20
20-25
20-30
20s
25
30
adult
adults
appearance
being
beings
bending
board
boards
building
buildings
caucasian
caucasians
circuit
clothes
coat
color
colour
competence
craft
device
devices
differential
down
dress
economic
economics
economy
european
factories
factory
female
females
focus
germany
grown-up
grown-ups
grownup
grownups
hand
handcraft
handicraft
handwork
human
humans
image
indoor
indoors
industrial
industries
industry
interior
interiors
job
jobs
labour
look
looking
machine
machines
manual
manufacturing
occupation
occupations
of
off
on
one
only
or
oscilloscope
over
people
person
persons
photo
photography
photos
place
plant
plants
printed
profession
seeing
selective
shot
shots
skill
switch
switching
technician
technicians
technologies
technology
to
turning
view
viewing
watching
woman
women
work
working
workplace
workshop
workshops
years
young