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| A come along is used to drop each ring into place. Probably more risks are taken in Africa than are accepted in Canada. Many of our wells are now built by putting our mold down at the bottom of the well and working up. This eliminates a lot of the more dangerous aspects of this system. Some villages still rent the 50 cm molds for some wells. |
| Total images: 25 | Last update: 22/02/11 2:42 PM | Help |