Technology

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Across
  1. 4. able to last and be used for a long time without becoming damaged
  2. 6. an important discovery or event that helps to improve a situation or provide an answer to a problem
  3. 9. to imagine or expect something in the future, especially something good
  4. 10. a person who is one of the first people to do something
Down
  1. 1. an occasion when you seem to suggest something without saying it directly
  2. 2. a chemical element that is the lightest gas, has no colour, taste, or smell, and combines with oxygen to form water
  3. 3. not in use any more, having been replaced by something newer and better or more fashionable
  4. 5. to reach or succeed in getting something
  5. 7. to prevent something bad from happening
  6. 8. the set of necessary tools, cl'othing, etc. for a particular purpose