background
blue
box
cable
card
cargo
casino
communication
danger
delivery
design
distribution
distributive
electric
electricity
electrification
food
gambling
game
green
icon
illustration
industry
infrastructure
junctionbox
line
metal
object
old
outdoor
plastic
play
poker
postbox
powersupply
rail
railroad
railway
sand
sign
sky
soil
station
summer
symbol
train
transport
transportation
travel