1920s puzzle

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Across
  1. 2. This invention Now includes amber in it.
  2. 4. Uses more workers and makes very easy work for Workers to do
  3. 6. This invention is a great alternative for a meal when you don't have any time to do so yourself
  4. 7. Helps housewives with laundry
Down
  1. 1. Helps housewives by sucking up small pieces of trash and dust
  2. 3. This invention can be bought and uses either gas or eleAssembly to function
  3. 5. This invention helps cover wounds