abstract
anaerobic
art
bacterium
bio
biodegradable
biogas
biological
biomass
complex
compost
concept
conceptual
contour
digestion
drawing
eco
ecology
environment
environmental
facility
food
garbage
general
graphic
icon
idea
illustration
industry
isolated
line
linear
lineart
metaphor
nature
notion
organic
outline
production
protection
recycling
rubbish
sustainability
technology
thin
trash
waste
web
定額
Anaerobic digestion concept icon. Organic matter is broken down to produce biogas and biofertiliser idea thin line illustration. Vector isolated outline RGB color drawing. Editable strokeの素材 [FY310163090977]
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