if something undergoes a physical change then the physical properties of that something will change
physical_state_change_event is not physical_transformation. physical_transformation is physical_event. replacing_parts is not physical_transformation. reflection is not physical_property. physical_state_change_event is physical_transformation. physical_property is property. reflection is physical_property. mass is physical_property. physical_transformation is not physical_event. replacing_parts is physical_transformation.