機器
製粉機
20s
apprentice
apprentices
apprenticeship
cnc machine
computer
control
copyspace
day
engineering
engineeringequipment
factory
fifties
horizontal
machinery
man
manufacturing
men
modern
multicultural
occupation
operatingequipment
operator
people
production
safety
smallbusiness
teaching
team
technology
together
trail
training
woman
worker
working
workplace
workshop