機器
adult
builder
business
career
client
clipboard
company
employee
employment
expert
factory
foreman
hands
helmet
hold
indoor
industry
instrument
job
layout
load
loader
look
male
man
manufactory
manufacture
material
mechanic
men
person
plan
positive
process
profession
professional
protection
safe
safety
shake
specialist
stock
warehouse
wellbeing
work
worker
workplace
workshop