Complete
00:00:00
7 9 13 16 5 18 1 10 2 8 15 14 3 12 11 4 17 6
  1. 5a Curative (11)
  2. 7a Little devils (4)
  3. 8a Priest's service book (8)
  4. 9a Tardy (7)
  5. 11a Aquamarine or emeralds, for instance (5)
  6. 13a Liquid once used to produce anaesthetic vapour (5)
  7. 14a Machine operator? (7)
  8. 16a Persist (8)
  9. 17a Camouflaged shelter from which to observe wildlife (4)
  10. 18a Cocktail of vodka and orange juice (11)
  11. 1d Sediment in drink (4)
  12. 2d Blackcap or chiffchaff, say (7)
  13. 3d Jarman or Jacobi? (5)
  14. 4d Grating (8)
  15. 5d Seems put out (anag) — furious (11)
  16. 6d Mix of ground hot spices (5,6)
  17. 10d Narrow opening (8)
  18. 12d Devoid of moisture (4,3)
  19. 15d Understood (5)
  20. 17d A place that's abuzz? (4)