Maddie's Do You Know?

BBC RB 1

Tuesday 9 June 2020  11:40 - 12:00 (20 mins)
Canal Lock and Gate. Maddie uses special cameras to show us how canal locks work and how a garden gate is welded together from pieces of steel. [S]

Maddie's Do You Know? may be available on playback
Maddie's Do You Know? (BBC RB 1) Tuesday 9 June 2020 11:40 - 12:00