Each MACHINE
| must be operated by one and only one DEPARTMENT | |
| or must be owned by one and only one SERVICE POINT | |
| may be used during one or more CLINICAL INTERVENTION | |
| may be the tool used for one or more EXPOSURE |
| must be operated by one and only one DEPARTMENT | |
| or must be owned by one and only one SERVICE POINT | |
| may be used during one or more CLINICAL INTERVENTION | |
| may be the tool used for one or more EXPOSURE |