金属産業
blade
business finance and industry
circle
construction industry
construction machinery
cutting
electricity
engineering
equipment
factory
flash
fuel and power generation
gardening equipment
grind
grinder
grinding
hand saw
horizontal
human body part
human hand
industry
instruction manual
instructions
iron
lighting equipment
manual worker
manufacturing
manufacturing equipment
mechanic
metal
occupational safety and health
pipe
power supply
protective workwear
safety
serrated
spark
speed
spinning
steel
technology
tube
turning
welder
welding
wheel
work tool
working
workshop