S19E2: Pewter Flasks, Potato Salad, Hydrogen Fuel Cells, Engineered Wood Siding

Pewter components are formed, joined and polished into traditional pocket flasks. Potatoes are cooked, cut and blended with dressing on an industrial production line; membranes, plates and seals are stacked into hydrogen fuel cells; and wood fibres are bonded with resin, pressed and finished as durable exterior siding.