They are measuring the width of the hole

4 mins

4 mins 59 secs

35 secs

1 min 53 secs

34 secs

51 secs

3 mins 48 secs

5 mins

2 mins 20 secs

2 mins 27 secs

1 min 10 secs

17 secs

1 min 52 secs

2 mins 51 secs

1 min 27 secs

6 secs

6 mins 40 secs

2 mins 19 secs

5 mins 20 secs

50 secs

2 mins 15 secs

1 min 24 secs

1 min 40 secs

45 secs

1 min 50 secs

1 min 33 secs

2 mins 17 secs

6 mins 12 secs

1 min 15 secs

11 mins 38 secs

2 mins 14 secs

3 mins 44 secs

16 secs

5 mins 31 secs

32 secs

51 secs

1 min 6 secs

4 mins 42 secs

6 mins 10 secs

1 min 18 secs