Once a design is set, different bits of the manufacturing process are tried out on computer: a virtual pipe-bending machine, for instance, makes sure that the fuel lines which snake their way through the airframe can be created without wrapping themselves around the machine and bringing it to a halt.

ECONOMIST: Manufacturing technology

Black fume billowed from its exhaust pipe as the rusty machine lumbered to the edge of the crater.

NPR: Excerpt: 'Legends'

Alongside the arsenal of chemical weapons were about 60 pipe bombs, several machine guns, remote-controlled bombs disguised as briefcases, and anti-Semitic, anti-black, and anti-government literature, the report said.

CNN: Growing threat of extreme right-wing violence

The trick now is to machine the top of the pipe so that the remaining 1400 or so feet can be gripped or to use other tactics to grab hold of it and pull it up and out of the hole so that drilling can proceed.

FORBES: Where is McMoran's Missing Press Release?