SFGTV2 September 4, 2013
Four inch speaker not understood . Legally probably this was 20 years ago. Denying 20 years ago. This is interesting because it has so many different kinds of retaining walls all together. A rumble wall, roth wall little concrete turf no older concrete retaining walls. There was a transition where they went from cobble retaining walls to brick retaining walls to common reinforcing. There was a transition where they said we built them out of cobble stones for thousands of years. Why do we need to build this new fangled stuff. They can settle, which doesnt happen very often. They can slide the w...