英文關鍵字
background
bolt
bolts
chrome
closeup
construction
engineering
fall
falling
group
hand
hands
hardware
heap
industry
iron
machine
macro
many
metal
metallic
nut
nuts
objects
repair
screws
shiny
silver
steel
tool
two
white
work
workshop
英文關鍵字
background
bolt
bolts
chrome
closeup
construction
engineering
fall
falling
group
hand
hands
hardware
heap
industry
iron
machine
macro
many
metal
metallic
nut
nuts
objects
repair
screws
shiny
silver
steel
tool
two
white
work
workshop