GPS

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Across
  1. 3. adjective relating to or belonging to the armed forces (page 43, paragraph 1)
  2. 5. adjective made by people; not natural (page 40, paragraph 1)
  3. 7. noun the representation of areas of land in the form of maps (page 42, paragraph 1)
Down
  1. 1. noun another name for the group of satellites that work together to make GPS work (page 42, fig. 1.41)
  2. 2. noun a device sent up into space to travel round the Earth, used for collecting information (paragraph 1, page 40)
  3. 4. adjective not military; relating to the ordinary people (page 43, paragraph 1)
  4. 6. verb [past participle] to put a device into the body by doing a medical operation (page 43, paragraph 1)