Season 3 Episodes14
Cast2
Rupert Degas
Robert Llewellyn
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7.2
Buildings, Electricity Pylons, Balloon Makers
7.2/10 · 9 votesMar 28, 200722 min
Ranked #7 of 14 in Season 3•matches the season avg
Learn how buildings are made earthquake proof, the electricity supply is ensured and balloons are made?
Seasons17
Episode Summary
"Buildings, Electricity Pylons, Balloon Makers" is episode 12 of How Do They Do It? season 3. It scored 7.2/10 from 9 votes, ranking #7 of 14 episodes this season (season average 7.2). It aired on March 28, 2007.