| 1 | to make coins and | | | | | | | 1 | 0.19% |
| 2 | to 3000 bc evidence | | | | | | | 1 | 0.19% |
| 3 | shows that people in | | | | | | | 1 | 0.19% |
| 4 | mines shows that people | | | | | | | 1 | 0.19% |
| 5 | ancient mines shows that | | | | | | | 1 | 0.19% |
| 6 | at ancient mines shows | | | | | | | 1 | 0.19% |
| 7 | evidence at ancient mines | | | | | | | 1 | 0.19% |
| 8 | bc evidence at ancient | | | | | | | 1 | 0.19% |
| 9 | 3000 bc evidence at | | | | | | | 1 | 0.19% |
| 10 | back to 3000 bc | | | | | | | 1 | 0.19% |
| 11 | in 1557 referring to | | | | | | | 1 | 0.19% |
| 12 | dating back to 3000 | | | | | | | 1 | 0.19% |
| 13 | referring to an unknown | | | | | | | 1 | 0.19% |
| 14 | to an unknown metal | | | | | | | 1 | 0.19% |
| 15 | our modern lives possible | | | | | | | 1 | 0.19% |
| 16 | makes our modern lives | | | | | | | 1 | 0.19% |
| 17 | applications makes our modern | | | | | | | 1 | 0.19% |
| 18 | industrial applications makes our | | | | | | | 1 | 0.19% |
| 19 | used industrial applications makes | | | | | | | 1 | 0.19% |
| 20 | 1557 referring to an | | | | | | | 1 | 0.19% |
| 21 | was in 1557 referring | | | | | | | 1 | 0.19% |
| 22 | it was not until | | | | | | | 1 | 0.19% |
| 23 | refined to make coins | | | | | | | 1 | 0.19% |
| 24 | began extracting silver from | | | | | | 1 | 0.19% |
| 25 | quickly began extracting silver | | | | | | 1 | 0.19% |
| 26 | very quickly began extracting | | | | | | 1 | 0.19% |
| 27 | by precolumbian americans the first european | | | | | | | 1 | 0.19% |
| 28 | and jewellery the romans | | | | | | | 1 | 0.19% |
| 29 | coins and jewellery the | | | | | | | 1 | 0.19% |
| 30 | make coins and jewellery | | | | | | | 1 | 0.19% |
| 31 | was refined to make | | | | | | | 1 | 0.19% |
| 32 | greece were extracting rock | | | | | | 1 | 0.19% |
| 33 | which was refined to | | | | | | | 1 | 0.19% |
| 34 | sulphide which was refined | | | | | | | 1 | 0.19% |
| 35 | description of platinum was | | | | | | | 1 | 0.19% |
| 36 | of platinum was in | | | | | | | 1 | 0.19% |
| 37 | platinum was in 1557 | | | | | | | 1 | 0.19% |
| 38 | rock containing naturallyoccurring silver | | | | | | | 1 | 0.19% |
| 39 | extracting rock containing naturallyoccurring | | | | | | 1 | 0.19% |
| 40 | were extracting rock containing | | | | | | 1 | 0.19% |