Choose a device:

construction, buildingqty: 1

More specific:

Choose basic color of device:

redconstruction, buildingqty: 1

blueconstruction, buildingqty: 1

yellowconstruction, buildingqty: 1

blackconstruction, buildingqty: 1

whiteconstruction, buildingqty: 1

Primary or secondary?

primary construction, buildingqty: 1

secondary construction, buildingqty: 1

Combined flag identification

by main colors

yellowblue+ other

by device on the flag

construction, buildingqty: 1