AIM: to make soak pit
Requirements: burnt bricks stones bricks pit for digging and pebbles
Procedure: 1.Look out for a place where used waste water is accumulated
2. Dig a fit of one m by by 1 m by 1 metre
3. Fill the bottom with coconut size stone middle with coconut size bricks
4. top with lime size papers of burnt bricks
5. discharge the used water into soak pit