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Miscellaneous
Flat
Universe
miscellaneous, Asteroid, space
Salmon
512x512
Astronomy, meteor, comet
Signaling
Charity
miscellaneous, Solidarity, Charity
Music
Education tools
tool, police, musical instrument
Security
User icon collection
locked, padlock, security
secure, security, padlock
padlock, security, unsecure
Lock, secure, unsecure
locked, secure, unsecure
technology
Business
miscellaneous, invention, Light bulb