1. piston
2. coal
3. workshops
4. labour/labor
5. quality
6. railway(s)
7. sanitation
8. NOT GIVEN
9. FALSE
10. NOT GIVEN
11. TRUE
12. TRUE
13. NOT GIVEN
14. D
15. F
16. A
17. C
18. F
19. injury
20. serves
21. excitement
22. Visualisation/Visualization
23. B,D (IN EITHER ORDER)
24. B,D (IN EITHER ORDER)
25. A,E (IN EITHER ORDER)
26. A,E (IN EITHER ORDER)
27. H
28. A
29. C
30. B
31. J
32. I
33. YES
34. NOT GIVEN
35. YES
36. NOT GIVEN
37. NO
38. C
39. B
40. D