domain = ["EU", "AS", "SA", "AF", "NA", "OC",
"Central and East Europe", "North Europe", "South Europe", "West Europe",
"East Asia", "Southeast Asia", "South Asia", "West Asia",
"Central Africa", "East Africa", "North Africa", "South Africa", "West Africa",
"South America", 'Central America', "North America",
"Australia and New Zealand",
"Trains", "Electric aircraft", "Hydrogen aircraft", "Petroleum", ]