I am answering this in the silver off-topic list. Marshall
Judith Thamm wrote: > Dear Group, > Just a question that is puzzling my husband - someone who has visited the > WTC would know... were the steel girders etc exposed and NOT covered by > concrete? From the ruins it appears so. > > The reason for asking is that building regulations in Australia stipulate > that structural steel must be encased in concrete to keep it cool in case of > fire. > Regards, > Judith. > > -- > The silver-list is a moderated forum for discussion of colloidal silver. > > To join or quit silver-list or silver-digest send an e-mail message to: > silver-list-requ...@eskimo.com -or- silver-digest-requ...@eskimo.com > with the word subscribe or unsubscribe in the SUBJECT line. > > To post, address your message to: silver-list@eskimo.com > Silver-list archive: http://escribe.com/health/thesilverlist/index.html > List maintainer: Mike Devour <mdev...@eskimo.com>