Som intermediate vocabulary practice

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Across
  1. 2. paperwork
  2. 3. heatpump
  3. 5. bolier
  4. 6. scheme
  5. 9. radiator
  6. 11. landlord
  7. 12. netzero
Down
  1. 1. tenant
  2. 4. environment
  3. 7. emissions
  4. 8. bill
  5. 10. grant