http://www.universetoday.com/2010/05/28/the-last-train-to-ksc-final-set-of-solid-rocket-boosters-arrive/#more-65317 wrote:
The Last Train to KSC: Final Set of Solid Rocket Boosters Arrive
Written by Nancy Atkinson May 28th, 2010
Railway cars carrying the final SRB segments arrived at Kennedy Space Center
on May 27. 2010. Credit: Alan Walters (awaltersphoto.com) for Universe Today.
<<...And I know someone is going to comment on the "Do Not Hump" sign on the railcar. What it means is that the contents of the railcar are delicate enough that the car should not be 'humped,' which is a method to sort freight cars by rolling them down a hill instead of using a locomotive engine to move the cars. Obviously, NASA and ATK don't want the SRB segments to go rolling down a hill. Find out more about humping here.>>
"Do Not Hump"
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"Do Not Hump"
Art Neuendorffer