background
canal
cartoon
channel
chemical
city
concept
construction
contamination
culvert
danger
desalination
dirty
discharge
district
down
drain
drainage
engineering
environment
factory
flow
flowing
illustration
landscape
ocean
outdoor
pipe
pipeline
plant
plumbing
river
road
sea
sewage
sewer
sewerage
soil
storm
stream
system
town
treatment
tunnel
underground
urban
waste
wastewater
water
定額
City wastewater is discharged through pipes into river. Contamination of water from factories. Environmental pollution danger, ecological disaster concept. Dirty water flowing from metal tube. Stock vector illustrationの素材 [FY310190812684]
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