Q: I dropped a glass in my kitchen sink and it took a chunk of porcelain out of the sink. I don’t want to buy a new sink, so is there a way to repair it? A: This is a job that doesn’t always end up ...

QI inherited a pair of 18-inch-tall figures that appear to be porcelain. I know nothing about the provenance, except that my mother bought them in an antiques store at least 40 years ago. The marking ...