aluminum
アルミニウム
adult
alloy
automation
caucasian
circle
coil
device
electric
equipment
factory
grey
hard
heavy industry
industrial
industry
iron work
labor
male
man
manufacturing
metal
metallic
metalworking
nickel
one person
operator
packed
plant
processed
production
roll
sheet
silver
skill
stack
steel
technical
technology
tool
utility
work
worker