機器
18 year old
18 years old
30s
apprentice
apprenticeship
business
caucasian
drill
drilling
engineer
engineering
factory
female
girl
helping
horizontal
industry
learning
machinery
machinist
male
man
manufacturing equipment
men
occupation
operating
small business
teaching
teen
teenage
teenager
thirties
together
trainee
training
two people
watching
woman
women
workshop