 In a room called the engineerium, they find a large key-activated machine that produces heat and a glass chamber housing the limp bodies of four aerozoans.No longer hiding that he has gone into debt, Hal raids the bedroom of the frozen Theodore Grunel and blows open his safe.When Matt tries to read a set of blueprints he finds in a canister, Hal angrily objects and sends the canister into one of the ship's pneumatic tubes.