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Across 5. here, a supporting engine 7. a product used for grinding and polishing metal 8. machine for keeping patients asleep during surgery 10. so rude or proud as to be offensive 11. the military way of executing enemy soldiers, usually with five soldiers shooting at the same time 13. a way for citizens to propose new laws 16. storage place for bombs and bullets 17. in a dashing or jaunty manner 19. pale and sick-looking 20. distracted, deeply worried 21. very disrespectfully 23. a chain of grocery stores 24. a crazy situation, like a mental hospital 25. cowardly, afraid 27. a plane designed to take off from & land on water 28. a flowering plant 29. [French] "Near my blonde", a French song from World War I

Down 1. a mean, rude person or a mixed breed dog 2. a wild uproar 3. pen containing a small ink cartridge that automatically feeds ink to the nib 4. a direct popular vote on a public issue 6. mysterious 9. in a way that suggests guilt 12. artillery fire designed to contain the enemy soldiers or to protect your own soldiers 14. here, a spinning gun mounted on an airplane 15. a waste of time and energy, since Newcastle is a coal-mining town 18. mocking or ridiculing 22. artillery fire 23. anti-aircraft guns 26. extremely