Hartree Christmas Crossword

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Across
  1. 3. Born in the rock'n'roll era, though these days cuts are the only things they are rolling.
  2. 4. Which spicy bit of kit might start up next year?
  3. 7. Birthplace of recent TikTok sensation and a basket of light and sweet goods.
  4. 8. This maritime facility shares its name with a musical introduction.
  5. 13. Gate of Grief.
  6. 16. A one horse open sleigh might be more festive, but this is sure to give you better propulsion.
  7. 18. This newcomer will soon cement their place in the oil industry.
  8. 19. Best in the Biz', also a unit of measurement.
Down
  1. 1. Measure of profitability - Not to be confused with a crevice.
  2. 2. Digital and decentralised, toying with Rob and Joe's emotions since 2009.
  3. 4. An influential German engineer.
  4. 5. This plant spans the whole alphabet.
  5. 6. A reliable alternative to Reindeer power.
  6. 9. This disputed region could prove a headache for Chevron in 2024.
  7. 10. You'll need a canal-do attitude to navigate your way through this parched stretch!
  8. 11. Opening lyric to a Julie Andrews smash hit, moonlighting as an agency shaping energy policies.
  9. 12. Shares its name with a classic supermarket confectionary and the Red Planet.
  10. 14. When this little boy arrives, things can get a little unpredictable.
  11. 15. Famous UK Sitcom lead character named David.
  12. 17. Giant cartoon dog and every teenagers worst nightmare.