Before revision: Chapters two to four examine the Channel Tunnel, which opened in 1994 at a cost of 4.7 billion pounds following cost-overruns of 80%DIF < which caused several companies to nearly go bankrupt.
After revision: Chapters two to four examine the Channel Tunnel, which opened in 1994 at a cost of 4.7 billion £ following cost-overruns of 80%DIF < which caused several companies to nearly go bankrupt.