def METHOD_NAME(self, other):
    return HybridGeometry(geom=self.geom.METHOD_NAME(other.geom), faces=self.faces,
                          add_faces={crop_id: faces for crop_id, faces in self.add_faces.items()
                                     if crop_id not in other.crop_ids},
                          crop_ids=self.crop_ids - other.crop_ids)