packDawoClay function
use new, complicated Map
Implementation
Map<String, Map<String, String>> packDawoClay() {
Map<String, Map<String, String>> _retM = {};
var packDawo = new PackDawo();
packDawo.buildMaps(); // get all maps..
_retM.addAll(packDawo.packDawoClayM);
return _retM;
}