| 1 | home about us services | | | | | | | 1 | 0.38% |
| 2 | cities around the world | | | | | | | 1 | 0.38% |
| 3 | is corrosive underground water | | | | | | | 1 | 0.38% |
| 4 | corrosive underground water combined | | | | | | | 1 | 0.38% |
| 5 | underground water combined with | | | | | | | 1 | 0.38% |
| 6 | aggressive ground salts is | | | | | | | 1 | 0.38% |
| 7 | ground salts is an | | | | | | | 1 | 0.38% |
| 8 | salts is an engineer’s | | | | | | | 1 | 0.38% |
| 9 | is an engineer’s nightmare | | | | | | | 1 | 0.38% |
| 10 | an engineer’s nightmare rising | | | | | | | 1 | 0.38% |
| 11 | engineer’s nightmare rising water | | | | | | | 1 | 0.38% |
| 12 | tables in cities around | | | | | | | 1 | 0.38% |
| 13 | in cities around the | | | | | | | 1 | 0.38% |
| 14 | around the world pose | | | | | | | 1 | 0.38% |
| 15 | salts water is corrosive | | | | | | | 1 | 0.38% |
| 16 | the world pose another | | | | | | | 1 | 0.38% |
| 17 | world pose another threat | | | | | | | 1 | 0.38% |
| 18 | pose another threat to | | | | | | | 1 | 0.38% |
| 19 | another threat to the | | | | | | | 1 | 0.38% |
| 20 | threat to the most | | | | | | | 1 | 0.38% |
| 21 | vital part of any | | | | | | | 1 | 0.38% |
| 22 | part of any structure | | | | | | | 1 | 0.38% |
| 23 | of any structure – | | | | | | | 1 | 0.38% |
| 24 | any structure – the | | | | | | | 1 | 0.38% |
| 25 | structure – the foundations | | | | | | | 1 | 0.38% |
| 26 | – the foundations heavy | | | | | | | 1 | 0.38% |
| 27 | water is corrosive underground | | | | | | | 1 | 0.38% |
| 28 | certain salts water is | | | | | | | 1 | 0.38% |
| 29 | foundations heavy rainfall even | | | | | | | 1 | 0.38% |
| 30 | of camels crossing a | | | | | | | 1 | 0.38% |
| 31 | to life but it | | | | | | | 1 | 0.38% |
| 32 | life but it can | | | | | | | 1 | 0.38% |
| 33 | but it can also | | | | | | | 1 | 0.38% |
| 34 | it can also be | | | | | | | 1 | 0.38% |
| 35 | can also be as | | | | | | | 1 | 0.38% |
| 36 | also be as unpredictable | | | | | | | 1 | 0.38% |
| 37 | be as unpredictable and | | | | | | | 1 | 0.38% |
| 38 | dangerous as a herd | | | | | | | 1 | 0.38% |
| 39 | as a herd of | | | | | | | 1 | 0.38% |
| 40 | a herd of camels | | | | | | | 1 | 0.38% |