英文關鍵字
30s
adult
background
boy
craft
craftsman
diy
electrodes
face
factory
fire
heat
hot
indoor
industry
iron
job
look
man
manufacture
manufacturing
melt
metal
metalwork
person
saw
sawing
semidarkness
shine
sight
slowmotion
smoke
spark
sparking
sparks
steel
technology
tool
vibrant
welder
welding
work
worker
working
workshop
workwear
young