Is cement harmful to skin?

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Tags

  1. #moisture
  2. #cement
  3. #chromium
  4. #harmful
  5. #caustic
  6. #hexavalent
  7. #toxin
  8. #amounts
  9. #damage
  10. #abrasive
  11. #hazardous
  12. #trace
  13. #because
  14. #portland
  15. #contains
  16. #absorbs