Demolition terminology: What Does "PULL IT" Mean? (9/11 - Building #7)

Demolition terminology: What Does "PULL IT" Mean?
(9/11 - Building #7)
The term “pull the building” is industry speak for initiating the demolition of the building. The collapse has all the earmarks of a controlled demolition: the roof kinks downward in the middle, and then the building free-falls into its own basement.