Document
Introduction to BSF Presentation (BSF for Techs)
This presentation identifies the parts of the filter, their function and how the biosand filter works (Designed for Lesson Plan 10 in the BSF for Techs Trainer Manual)
Document
Introduction to BSF Presentation (BSF for Techs)
This presentation identifies the parts of the filter, their function and how the biosand filter works (Designed for Lesson Plan 10 in the BSF for Techs Trainer Manual)
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