Demonstrated as a weighting object

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6 mins 13 secs

6 mins 46 secs

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6 mins 48 secs

6 mins 30 secs

9 mins 14 secs

6 mins 3 secs

6 mins 14 secs

6 mins 11 secs

6 mins 11 secs

6 mins 11 secs

6 mins 11 secs

6 mins

6 mins 10 secs

10 mins 33 secs

11 mins 38 secs

6 mins 8 secs

5 mins 5 secs

6 mins 7 secs

6 mins 7 secs

12 mins 13 secs

6 mins 7 secs

5 mins 7 secs

9 mins 30 secs

9 mins 30 secs

3 mins 27 secs

13 mins 3 secs

4 mins 49 secs

5 mins 2 secs

8 mins 30 secs

10 mins 42 secs

18 mins 34 secs

4 mins 47 secs

12 mins 4 secs

8 mins 43 secs

30 mins 20 secs

6 mins 45 secs