Choose a device:

construction, buildingqty: 1

More specific:

dome qty: 1

Choose basic color of device:

goldconstruction, buildingqty: 1

grayconstruction, buildingqty: 1

whiteconstruction, buildingqty: 1

properconstruction, buildingqty: 1

Primary or secondary?

primary construction, buildingqty: 1

secondary construction, buildingqty: 1

Combined flag identification

by main colors

very dark blue+ other

by device on the flag

construction, buildingqty: 1