How It's Made S8E7 — CO2 Cartridges, Pretzels, Scissor Lifts, Skating Rinks
7.8
How It's Made•Season 8•Episode 7

CO2 Cartridges, Pretzels, Scissor Lifts, Skating Rinks

7.8/10 · 21 votesFeb 20, 200721 min

Ranked #1 of 13 in Season 8•+0.3 vs season avg

Discussion

Small steel cylinders are formed, tested and filled with compressed carbon dioxide, shaped dough is boiled and baked into pretzels, hydraulic systems and crossed supports are assembled into scissor lifts, and layered refrigeration systems create and maintain artificial skating-rink ice.