@openstreetmap/id-tagging-schema/data/fields/building/prefabricated.json

The OpenStreetMap tagging model used by the iD editor

{
    "key": "building:prefabricated",
    "type": "check",
    "terms": [
        "manufactured",
        "modular",
        "portable"
    ],
    "label": "Prefabricated"
}