11.   In severe cases, bypass surgery is used to install new blood vessels to improve the blood supply to the heart.

12.   Schiffer is personally selecting her favorite add-on software applications to include on a CD that customers can use to install them.

13.   The new arm will be used to install a pressure chamber delivered to the station by the shuttle Atlantis in June.

14.   The smaller crane had been used to install scaffolding on a damaged external wall of the church.

15.   The money would be used to install drilling equipment on the Chaivo oilfield as well as upgrading the sea platform Orlan, officials said.

16.   The statement said De Beers mining technology and management skills would be used to install a new diamond recovery plant.

17.   The equipment, used to install natural gas pipelines, contained a high-energy iridium source placed within an armored reservoir that was recovered intact, experts said.