機器
apprentice
apprenticeship
carpenter
carpentry
caucasian
class
craftsman
equipment
factory
female
fifties
front
hispanic
horizontal
industry
instructor
learning
machinery
machinist
male
man
manufacturing
men
occupation
operator
outfit
people
professional
safety
saw
skill
student
students
supervising
supervisor
teaching
together
trainee
training
two
uniform
women
wood
woodwork
woodworker
worker
working
workshop
young