Choose a device:

construction, building

More specific:

dome

Choose basic color of device:

yellowconstruction, building

goldconstruction, building

grayconstruction, building

whiteconstruction, building

properconstruction, building

Choose quantity:

qty:1 construction, building

qty:3 construction, building

qty:7 construction, building

Primary or secondary?

primary construction, building

secondary construction, building

Combined flag identification

by main colors

very dark blue+ other

by device on the flag

construction, building