英文關鍵字
welder
work
tool
mechanic
industry
craftsman
manual
repairman
service
workplace
workshop
car
worker
weld
craft
engineer
equipment
flash
garage
hard
indoor
instrument
job
labor
machine
male
man
manufacture
mask
mechanical
metal
metalwork
occupation
person
profession
professional
protective
repair
safety
skill
spark
steel
technology
torch
unrecognizable
adult