11.   He said a metal pin placed in her knee during an earlier operation may have come loose, causing her extreme pain.

12.   Hoping to finally fly Wednesday night, NASA scrambled to remove a metal pin that ended up on space shuttle Discovery and led to an embarrassing launch delay.

13.   NASA removed a stray metal pin from space shuttle Discovery on Wednesday and began fueling the ship for an evening liftoff.

14.   Taliaferro received a severe injury to his spine, requiring surgery to insert a metal pin and bone graft.

15.   Workers conducting a routine inspection of Discovery noticed a metal pin on the liquid-oxygen line between the shuttle and its external fuel tank.

16.   Workers had to hustle to remove the small metal pin that was left on an oxygen line running between Discovery and its external fuel tank.

17.   In Japan, many adults spend hours in pachinko parlours to play the game, which involves shooting metal balls throught a maze of metal pins.

18.   Atallah, who is from the Dheisheh refugee camp near Bethlehem, had metal pins inserted into one of his legs after he was injured by an Israeli shell.

19.   Busst will return to hospital in the next few days after it emerged that a metal pin in his leg has caused infection.

20.   The popular game of luck involves shooting a metal ball down through a vertical maze of metal pins.