英文關鍵字
acetylene
bar
blowpipe
blowtorch
burner
cut
cutting
equipment
fire
flame
gas
glow
heat
hot
industrial
industry
iron
job
manufacturing
melt
metal
metallic
metallurgy
metalwork
molten
orange
profession
rusty
spark
steel
tools
torch
英文關鍵字
acetylene
bar
blowpipe
blowtorch
burner
cut
cutting
equipment
fire
flame
gas
glow
heat
hot
industrial
industry
iron
job
manufacturing
melt
metal
metallic
metallurgy
metalwork
molten
orange
profession
rusty
spark
steel
tools
torch