| 1 | Bore A hollowed out section of the item. |
| 2 | Rim A raised edge or border. |
| 3 | Web A complete structure or connected series. |
| 4 | Centre The middle point from any point on the circumference or surface. |
| 5 | Core The central or most important part of the item. |
| 6 | Surface The outer most surface of an item. |
| 7 | Beginning The sample is taken at the beginning of the specimen. |
| 8 | End The sample is taken at the end of the specimen. |
| 9 | Middle The sample is taken at the middle of the specimen. |
| 10 | Centre Back The sample location is centre across width, back end across length. |
| 11 | Centre front The sample location is centre across width, front end across length. |
| 12 | Centre middle The sample location is centre across width, middle end across length. |
| 13 | Edge back The sample location is on the edge across width, back end across length. |
| 14 | Edge front The sample location is on the edge across width, front end across length. |
| 15 | Edge middle The sample location is on the edge across the width, middle end across length. |
| 16 | Quarter back The sample location is a quarter way across the width, back end across length. |
| 17 | Quarter front The sample location is a quarter way across the width, front end across length. |
| 18 | Quarter middle The sample location is a quarter way across the width, middle end across length. |
| 19 | Weld The sample is taken from the weld of the specimen. |
| 20 | Body Sample is taken from the body of the specimen. |