environmental
art
chernobyl
circle
clip art
cloud
color
concept
contamination
contour
danger
design
drawing
drop shadow
ecology
electric
energy
environment
facility
factory
filled
flat
glyph
icon
illustration
industrial
industry
isolated
line
linear
logo
long shadow
negative space
nuclear
outline
plant
pollution
power
radiation
radioactive
reactor
set
sign
smoke
station
symbol
technology
thin
web
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