英文關鍵字
abstract
abundance
background
bolt
bolts
chrome
close
colored
components
conceptual
connect
construction
detail
drilling
effect
engineering
equipment
fix
focus
focused
galvanized
group
hardware
industry
iron
isolated
machine
manufacturing
mechanic
metal
metallic
nail
nut
object
objects
part
pattern
pile
screw
screws
selective
set
shine
shiny
silver
small
stainless
steel
technical
textured
threaded
tool
work