Document
8 Key Filter Performance Points Presentation (BSF for PI)
This presentation describes the 8 things to check to make sure a biosand filter is working (Desgined for Lesson Plan 12 in the BSF for PI Trainer Manual)
Document
8 Key Filter Performance Points Presentation (BSF for PI)
This presentation describes the 8 things to check to make sure a biosand filter is working (Desgined for Lesson Plan 12 in the BSF for PI Trainer Manual)
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