英文關鍵字
waste
leakage
from
barrel
symbol
solid
management
business
medical
garbage
disposal
metals
sorting
industrial
processing
pressing
burial
mountain
underwater
container
reuse
truck
special
bins
construction
shredding
chemical
treatment
composter
burning
island
belt
conveyor
biodegradable
eco
ecological
ecology
plant
process
recyclable
recycle
icon
motion
graphic
animation
pictogram
hd
animated
item
glyph