金属産業
電極
bright
busy
construction
craftsman
craftsmen
engineering
equipment
fabricator
factory
fire
flame
gloves
hard work
heat
helmet
hot
industrial
industry
interior
iron
lifestyle
light
machinist
man
manufacturing
mechanical
melt
metal
metal worker
metalwork
occupation
people
person
plant
protection
protective eyewear
protective workwear
safety equipment
senior
senior man
smoke
spark
steel
welder
welding
welding mask
welding torch
work
worker
workman