<P> "The Thing - Ummy Bob", A British song made popular by Gracie Fields </P> <P> "The Thing - Ummy Bob" is a 1942 song which was written by Gordon Thompson and David Heneker which celebrates the production line worker of World War II making components for complex weapons to win the war . Its chorus is </P> <Table> <Tr> <Td> "</Td> <Td> I'm the girl that makes the thing that drills the hole that holds the ring that drives the rod that turns the knob that works the thing - ummy bob </Td> <Td>" </Td> </Tr> </Table> <Tr> <Td> "</Td> <Td> I'm the girl that makes the thing that drills the hole that holds the ring that drives the rod that turns the knob that works the thing - ummy bob </Td> <Td>" </Td> </Tr>

Who sings the song that works the thingamebob