41. With paint scraped, brushed or sanded off, wash the ceiling with a strong solution of detergent and water, let dry. 42. The British successfully used a strong solution of formaldehyde and tons of sea water to decontaminate a former anthrax research site. 43. Or, try something simple : a strong solution of ammonia and water . ( Use care when working with ammonia ). 44. Wire-brush any loose paint, wash with a strong solution of Spic and Span and water, and let dry thoroughly and quickly. 45. Make sure the old vinyl is squeaky clean; clean it with a strong solution of Spic and Span and water, then rinse. 46. And, you can paint it; use a latex house paint after washing the shingles with a strong solution of detergent and water. 47. A strong solution of TSP cleaner and water also will do it, in conjunction with the cat litter, which will absorb it. 48. Wash with a strong solution of salt and water; that is, dissolve half a cup of salt in a bucket of water. 49. The gold can be removed from the carbon by using a strong solution of caustic soda and cyanide, a process known as elution. 50. Make a strong solution of Spic and Span and water, add a cup of bleach to the wash bucket, and scrub the deck.