英文關鍵字
selfframing
business
production
house
material
machine
industrial
technology
equipment
engineering
tool
frame
symbol
building
modern
metal
metallic
bridge
industry
construction
factory
warehouse
stage
roll
foundation
garage
part
layer
framework
structure
barn
roof
steel
icon
list
motion
job
graphic
architecture
animation
exterior
hd
girder
animated
commercial
framing
sign
set
iron
color