New contradiction matrix

(48 features/40 invention principles)

4. Length/angle of stationary object

6. Area of stationary object

9. Shape

17. Energy used by stationary object

18. Power

24. Function efficiency

4. Length/angle of stationary object

17, 40

13, 14, 15, 7

35, 3, 30, 31

17, 19

3, 35, 28

6. Area of stationary object

17, 14, 3, 4, 7

17, 5, 4

35, 40, 17

35, 7

28, 3

9. Shape

17, 14, 4, 13, 5,

17, 14, 5

35, 14

4, 6, 2, 30, 1

2, 29, 28

17. Energy used by stationary object

4, 7, 9, 19

4, 17, 3, 14, 16

7, 35, 24

2, 5, 9, 13

2, 19

18. Power

17, 14, 1

17, 19, 38

29, 14, 15

19, 15

2, 28, 14

24. Function efficiency

17, 4, 13, 14

14, 17, 4

4, 14, 3, 30

3, 35, 19

35, 3, 15, 19