Dennis' Puzzle

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Across
  1. 5. human made, non-natural
  2. 6. make it more active
  3. 7. there is sugar in urine
  4. 8. put the cover on the face for protect or no one can see the face
Down
  1. 1. the cloth that block the light from outside
  2. 2. perform
  3. 3. bad feeling of the body
  4. 4. bad feeling of the body, uncountable