Battle Factory
A Rugged Case, a Precision Aerial Delivery System, a Military Survival Shelter, and an Armoured Personnel Carrier
S1 E13:
Polyethylene is measured and molded, heated and cooled to create a rugged and air-droppable case that's tougher than the rest. Stronger, lighter, and more durable than their wooden predecessors, these keep out wind, rain, sand, and humidity to ensure that valuable supplies arrive intact.