| metal detector testing procedure | 0.26 | 0.6 | 3814 | 32 | 19 |
| metal detector screening procedures | 0.77 | 0.1 | 1068 | 35 | 11 |
| metal detector test samples | 1.25 | 0.3 | 8019 | 27 | 89 |
| using a metal detector | 0.85 | 0.7 | 2357 | 22 | 81 |
| metal detector depth test | 0.6 | 1 | 9175 | 25 | 28 |
| how to operate metal detector | 0.71 | 0.8 | 7835 | 29 | 36 |
| show me a metal detector | 0.33 | 0.2 | 5666 | 24 | 46 |
| how do metal detectors detect metal | 1.36 | 1 | 1013 | 35 | 41 |
| basic analysis of a metal detector | 1.87 | 0.6 | 550 | 34 | 43 |
| metal detector test piece | 0.72 | 0.2 | 9151 | 25 | 24 |
| metal detector test standards | 1.22 | 0.7 | 2645 | 29 | 47 |
| how to work a metal detector | 0.75 | 0.8 | 3135 | 28 | 37 |
| how to properly use a metal detector | 0.77 | 0.2 | 3447 | 36 | 68 |
| construction of metal detector | 1.51 | 0.2 | 1618 | 30 | 16 |
| technical description of metal detectors | 0.78 | 0.6 | 7357 | 40 | 26 |
| what is metal detecting | 1.29 | 0.9 | 6344 | 23 | 32 |
