class preparation

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Across
  1. 3. a situation, person, or thing that needs attention and needs to be dealt with or solved
  2. 5. a device that produces electricity to provide power for electronic
  3. 6. an electronic machine that is used for storing, organizing, and finding words
Down
  1. 1. a person who buys goods or a service:
  2. 2. a worker trained with special skills, especially in science or engineering
  3. 4. It is the service that a person provides