英文關鍵字
plumbers
wrench
tool
spanner
repair
work
maintenance
workshop
key
mechanic
equipment
construction
mechanical
hardware
service
industry
fix
steel
technology
engineering
engineer
industrial
screwdriver
web
support
hand
metal
bolt
screw
element
gear
machine
technical
builder
button
worker
garage
icon
motion
animation
hd
animated