cribbing
n.— «Another exercise teaches a group how to lift rubble off victims and support it—a procedure called “cribbing”—so that injured people can be safely removed. A long iron rod is used to pry up rubble and short wooden blocks are inserted to prop it up.» —“Los Gatos Prepares Community For Disaster” by Alastair Dallas Los Gatos Observer (California) Oct. 12, 2007. (source: Double-Tongued Dictionary)