Q: I am relieved to learn that The Chronicle has a stain- and spot- busting specialist because I have not yet found anyone who can tell me how to remove the cloudy gray film that collects inside glass ...

Q: I have a cut-crystal vase that broke. It is of significant sentimental value, so I would like to get it repaired. I believe I have all of the shards. I am not looking for a watertight repair, as I ...