英文關鍵字
abrasive
abstract
background
chemical
closeup
concept
construction
crushed
darkness
design
detail
dry
dust
engineering
environment
equipment
flour
font
fragment
grains
grainy
gritty
industrial
innovation
layers
machinery
matte
mechanical
mechanism
monochrome
natural
old
pattern
photoshoot
pile
rock
rubber
sand
scattered
soft
soil
soot
sparkling
sugar
surface
table
technology
texture
vehicle