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A: China may only be kashered when there is a compelling reason not to buy new dishes. In addition, normally the minhag is not to change something from dairy to meat or vice versa. But in this case some hold that the glazing material is impervious to absorption and they don’t even have to be kashered before using with meat. Therefore if there is a compelling reason to kasher them, it is OK to do so to change them to meat in this case. For instructions on how to kasher them, see last week’s question here.
Q: Is there anything codified about pursuit of mitzvos that are far outside the realm of one’s usual existence? Is it encouraged to find mother birds? I know that one is not required to build rooftop fences if you don’t have a flat roof, but is there any merit in procuring a flat roof to build a fence?
Q: How can I tell if a piece of fish actually has scales?
Q: Pareve ladle got used in a meat soup. What’s the status of the ladle now?