"Uh, no, that's a pipe wrench," Tony informs the Fool apologetically. "The socket wrench has a kind of a round head with a peg sticking out of it that rotates in one direction. The peg fits into one of these— he fishes around in his shirt pocket for the socket attachment he'd stashed there, tries to show it to the Fool, and promptly drops it, thanks to his grease-slicked fingers. He watches helplessly as it rolls out of reach.

Tony lets his head drop back to the ground, and stares up at the underside of the generator. He heaves a sigh. "Why haven't I built myself lab assistant robots yet?"