Synthetic Materials In Hilchos Shabbos - Rabbi Yakov Zev Smith

1. Using steel wool on Shabbos. 2. Which dish brushes may be used? 3. Using a plastic sponge for washing dishes. 4. Which toothbrushes may be used? 5. Rubbing a plastic tablecloth to remove a stain. 6. Cleaning clothing made from polyester. 7. Shaking out a raincoat after walking in rain. 8. Halachos for rubber, boots, etc. 9. Removing dirt, mud, etc., from rubber shoes. 10. Using a broom that has synthetic bristles. 11. Rubber pacifier, bottle, nipple, etc. 12. Using contact lens solution on Shabbos or Yomtov.