How Do They Do It? S11E1 — Parmesan, Runways, Reclining Chairs
6.9

Parmesan, Runways, Reclining Chairs

6.9/10 · 12 votesMay 15, 201422 min

Ranked #18 of 18 in Season 11•−0.2 vs season avg

Discussion

A look at how to make parmesan cheese, and the key to keeping the runways running at the world's busiest airports. Plus, a look at manufacturing reclining chairs