金属産業
機器
abrasive
abrasive tools
action
circle
circular
closeup
cut
cutting
disc
disk
electric
engineering
equipment
factory
flash
grinder
grinding
heat
hot
indoors
industrial
industry
iron
light
manufacture
manufacturing
mechanic
metal
metal grinder
production
protection
skill
spark
sparkle
steel
steel worker
technical
technology
tool
turning
welder
welding
work
working
workshop