depends on who makes it and where

Then air was leaking into the bottle and it's probably bad.

In this context, "mushroom" is a verb that means to grow, expand, or proliferate rapidly, similar to how mushrooms spread quickly. For example, "The company's profits mushroomed over the past year" means that the profits grew rapidly or substantially.

Cleopatra is remembered for the misconceptions about her. Her story has mushroomed into one of fantasy, giving her credit for things she could not possibly have done or attributing to her capabilities that she did not have.

Not necessarily, there is no reason to discard as long as you grind off bits thatmay come loose when hit.