1. Crumb: A very small quantity of something.
2. Leaching: To be removed from soil by water passing through it.
3. Stench: A strong, very unpleasant smell.
4. Trash: Things that we throw away because we no longer want or need them.
5. Smelt: To heat and melt ore.
6. Ooze: The liquid flows from the place slowly.
7. Clog: To block or become blocked.
8. Inundate: To cover an area of land with a large amount of water.