1. shaft;

2. pin;

3.turn (sing. pl.);

4. relay;

5. capacity;

6. handling;

7. error;

8. developing;

9. average;

10. plate;

11. female;

12. bed;

13. flight;

14. grid;

15. course;

16. hammering;

17. hand;

18. kick;

19. kill;

20. maintenance;

21. trouble;

22. trolley;

23. smash.