"We want to get the lead inside, so instead of chopping the pencil up perpendicularly and exposing just the ends, we strip the wood casing off the outside and expose the length of the lead, " says Litzen.

FORBES: Ethanol

Sitting on the floor of his room, Hotz twisted off the screws of the black PS3 and slid off the casing.

NEWYORKER: Machine Politics

Then there is Halliburton, which was contracted to cement the production liner in the well casing, effectively sealing off the reservoir from the well bore.

FORBES

Halliburton ( HAL - news - people ), which was contracted to cement the production liner in the well casing, effectively sealing off the reservoir from the well bore.

FORBES: The Gulf Oil Leak