Objects found in a building and futuristic inventions

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Across
  1. 4. You can see their advertising from a long distance.
  2. 7. They are cars from future
  3. 8. With this object, we can measure the time between intervals.
Down
  1. 1. Is a piece of furniture used mostly in schools and offices.
  2. 2. We used them to iluminate and ventilate a building or a house.
  3. 3. A vehicle used for travel to space.
  4. 5. It is moving platform for carrying passengers from different levels.
  5. 6. It is an artefact used to freeze things and people.