英文關鍵字
art
auto
automobile
background
blacksmith
bright
car
construction
craftsman
cutting
danger
design
diagnosis
equipment
fire
fix
fixing
flame
gloves
hand
heat
heavy
industry
iron
man
manufacturing
max
mechanic
metal
new
part
protection
repair
repairing
safety
service
spark
sparks
steel
technology
tool
vintage
weld
welder
wheel
work
worker
workshop