tv/ movies: Category: Wizard Of Oz: In the movie, the wizard gave this to the tin man.?

Questions

Self-centered?

Any of the non-metallic elements which form a salt when combined with a metal?

Where do British swallows spend the winter?

Which Grand National Winner in 1991 shared its name with the races sponsors?

TV; Who played the part of Manuel in the 1975-79 BBC series faulty Towers?