Answer:
Round like a dishpan and smaller than a bathtub. But the ocean can't fill it. What is it?
Slayer of regrets, old and new, sought by many, found by few.
What starts with a 'T', ends with a 'T', and has T in it?
What runs around all day. Then lies under the bed. With its tongue hanging out?
You'll see savory dishes in Hong Kong sizzling in these.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.