英文關鍵字
action
arc
blue
body
bright
brightly
close
construction
contemporary
contrast
device
energy
engineering
equipment
fabricator
factory
flash
gun
industrial
industry
iron
labor
lit
manufacturing
metal
metalwork
mill
motion
nozzle
orange
plant
plumbingtorch
point
power
repair
safety
skill
spark
sparks
steel
technology
temperature
torch
warm
welder
welding
worker
working
workshop