Season 18 Episodes13
Cast1

Lynne Adams
Narrator (voice)
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Ranked #6 of 13 in Season 18•+0.2 vs season avg
Felt hat bodies are steamed, stretched over wooden forms and trimmed into top hats and bowlers. Absorbing collectors, pipes and insulated tanks are assembled into solar water-heating systems; enriched dough is rolled with a sweet filling, sliced and baked into sticky buns; and a thin

Lynne Adams
Narrator (voice)
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"Top & Bowler Hats, Solar Water Heaters, Sticky Buns, Electrostatic Speakers" is episode 12 of How It's Made season 18. It scored 7.3/10 from 18 votes, ranking #6 of 13 episodes this season (season average 7.1). It aired on November 29, 2011.