Nickel is very strong and resistant to corrosion, making it excellent for strengthening metal alloys. It is also very ductile and malleable, properties that allow its many alloys to be shaped into wire, rods, tubes and sheets.
Played by: Andy Serkis. Name: Gollum. Alias: My precious (in The Hobbit); SmÃ©agol, Slinker, Stinker, skulking fellow, Her Sneak, black sneak, gobbler with the flapping hands, Trahald (in LOTR) Date of Birth: c. T.A. 2440. Race: Hobbit of (or related to) the Stoor branch.
The Dark Lord Sauron is the Lord of the Rings. Earlier in the story, Gollum was captured by Sauron and tortured and interrogated. When he escaped he left via the pass of Cirith Ungol. So the paths he leads Sam and Frodo on are the ones he took when he fled from Mordor.