Document
HWTS Presentation (BSF for Techs)
This presentation explains the steps of household water treatment and gives criteria for evaluating different options (Designed for Lesson Plan 10 of the BSF for Techs Trainer Manual)
Document
HWTS Presentation (BSF for Techs)
This presentation explains the steps of household water treatment and gives criteria for evaluating different options (Designed for Lesson Plan 10 of the BSF for Techs Trainer Manual)
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