機器
construction
craftsman
electric
engineering
equipment
factory
fire
flame
flash
gloves
heat
hot
industrial
industry
iron
job
light
man
manufacture
manufacturing
mask
metal
metalwork
metalworker
occupation
production
professional
protection
repair
safety
skill
solder
soldering
spark
steel
technical
technology
tool
torch
vintage
weld
welder
welding
work
worker
working
workplace
workshop