For Better or For Worse?

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Across
  1. 1. a building where goods are manufactured/assembled, usually by a machine
  2. 5. a hard, strong, gray alloy of iron and carbon; used extensively as a structural material
  3. 6. an abundance of valuable possessions or money
  4. 7. a notice or announcement that usually promotes a product
  5. 9. a large town, usually accompanied by both skyscrapers and large buildings
  6. 10. a room or set of rooms forming a separate residence within a house or block of apartments
Down
  1. 2. patented by Alexander Graham Bell; is used to transmit voices over a distance
  2. 3. a set of tracks made of steel rails along which passenger and freight trains run
  3. 4. the theory of the evolution of species by natural selection
  4. 8. a violent disturbance of the peace by a crowd