| ALL TOOLS MUST BE RETURNED AFTER USE |
NS502 |
| ALL ACCIDENTS MUST BE REPORTED |
NS503 |
| NO EATING OR DRINKING INT HIS AREA |
NS504 |
| THESE DOORS MUST BE KEPT CLOSED |
NS505 |
| NO ENTRY UNLESS ACCOMPANIED BY A STAFF MEMBER |
NS506 |
| AUTHORISED PERSONNEL ONLY |
NS508 |
| NO VEHICLES BEYOND THIS POINT |
NS509 |
| NO ADMITTANCE |
NS510 |
| ALL VISITORS MUST REGISTER AT OFFICE |
NS511 |
| PARKING ON SITE AT YOUR OWN RISK |
NS512 |
| THIS GATE MUST BE KEPT CLOSED |
NS515 |