Sydney Opera House, Handsaws
- Episode aired 2016
- TV-G
- 25m
![How Do They Do It? (2006)](https://m.media-amazon.com/images/M/MV5BYWM5MTkwYzYtNzNhYi00OTI2LWEyMGEtNWIwZGZmMjgwMGY2XkEyXkFqcGdeQXVyNTg3NDkzMzM@._V1_QL75_UX190_CR0,2,190,281_.jpg)
How do they turn Sheffield steel into a carpenter's handsaw, make a microphone that can pick up a whisper, and safely steer through a frozen river?How do they turn Sheffield steel into a carpenter's handsaw, make a microphone that can pick up a whisper, and safely steer through a frozen river?How do they turn Sheffield steel into a carpenter's handsaw, make a microphone that can pick up a whisper, and safely steer through a frozen river?