英文關鍵字
animation
motion
gas
welding
icon
outline
thin
line
isolated
black
fire
illustration
industrial
tool
torch
welder
construction
equipment
industry
repair
weld
mask
safety
metal
logo
electric
work
badge
danger
design
graphic
job
protection
service
shield
silhouette
steel
symbol
technology
worker
flame
crane
device
handle
nozzle
picture
pipe
valve
white