Showing 21 - 40 results of 3,018 for search '"International and development communication"' Refine Results
  1. 21
    Well dimensions 2
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  2. 22
    A chlorinator
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  3. 23
    Distance from well to septic tank
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  4. 24
    Distance of well from a river
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  5. 25
    Well with low section of wall - colour
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  6. 26
    Steps for disinfection of wells
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  7. 27
    Cross-section of a gravity well
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  8. 28
    A simple Shaduf
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  9. 29
    Well with windlass and bucket and cover v1
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  10. 30
    Well with windlass and bucket and cover v2
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  11. 31
    Protected well with double bucket system - colour
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  12. 32
    Protected well with double bucket system
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  13. 33
    Cross-section of upgraded well
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  14. 34
    Cross-section of upgraded well with handpump
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  15. 35
    Good features of open wells
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  16. 36
    Handpump being used for de-watering a well excavation
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  17. 37
    Rope and washer pump being used for de-watering a well excavation
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  18. 38
    Suggested digging techniques for hand-dug wells in different strata
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  19. 39
    Lining in short sections has excavation progresses
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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  20. 40
    Lining in the sections as excavation proceeds
    by Kay Davey, Rod Shaw, Ken Chatterton
    Published 2019
    Subjects: '; “...International and development communication...”
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