英文關鍵字
garbege
recycling
factory
symbol
monochrome
waste
industry
trash
transportation
landfill
industrial
temperature
dumpster
burn
contamination
container
ecology
foul
hazardous
junk
pile
plastic
pollution
recycle
rubbish
dump
environmental
processing
reuse
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
glyp