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UI
3D
Gur project
help, support
Chocolate
32x32
Momentum Matte icons
support, network
SaddleBrown
AzulLustre 2
support, question, help
Black
256x256
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Gnome Web Icons
Dialog, Faq, help
64x64
Nuvola
support, help, question mark
Lavender
128x128
Crystal Clear
help, support, life
DarkSlateGray
Headset, voice, support
support, agt
CornflowerBlue
48x48