During the investigation several pieces of WTC steel were cut up, for example:
Redf: /11datasets.org/International_Center_for_911_Studies_NIST_FOIA/Release_09/Release 9/WTC-FOIA/Banovic/ALL PICTURES/Outside Pictures/CUTTING OF SAMPLES/WTC 02-10-04 (CUTTING OF SAMPLES)
This was done with an...