Reply To: 9/11 Building 7 UAF engineering report continued. Latest News › Forums › Discussion Forum › 9/11 Building 7 UAF engineering report continued. › Reply To: 9/11 Building 7 UAF engineering report continued. April 18, 2020 at 20:01 #52060 Paul Barbara @ Clark Thanks; I’ve made a note of the breathing exercises. I used to do some Yoga in my early days, including breathing exercises.