Name: Al Aggieri City:
Question: how do you remove the black residue caused by a door hinge. what causes the black residue on the door hinge
Name: Deck1ng | Date: October 19, 2004, 13:18
Answer: Wear and tear, it is the metal that is being ground down.
Name: homebild | Date: October 23, 2004, 6:21
Answer: It might also be a powdered graphite lubricant.