hawker centre cleanliness

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Across
  1. 3. _____ your table after eating
  2. 5. birds at hawker centres have _____ concerns
  3. 6. we will _____ birds from coming in
  4. 7. returning trays is _____'s duty
Down
  1. 1. _____ percent of people don't return their trays
  2. 2. food that you leave behind
  3. 4. a type of bird
  4. 8. returning trays is _____