The Thing-Ummy-Bob

I cant pretend to be A great celebrity But still I'm quite important in my way The job I have to do may not sound much to you But all the same, I'm very proud to say 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 I'm the girl that makes the thing that holds the oil that oils the Ring that takes the shank that moves The crank that works the thing ummy bob It's a ticklish sort of job making thing for the Thing ummy bob especially when you don't know what it for But it's the girl that makes the thing the drills the hole that Holds the ring that makes the thing Ummy bob that makes the engine roar And it's the girl that makes the thing that holds the oil that Oils the ring that makes the thing ummy bob that's going to win the war I'm not what you'd would call a heroin at all I don't suppose you'd even know me name But though I never boost of my important post I'll strike a blow for freedom just the same That works the thing ummy bob That works the thing ummy bob It's a ticklish sort of job making the thing for the Thing ummy bob especially when you don't know what it's for But it's the girl that makes the thing that drills the hole that holds The ring that makes the thing ummy bob at makes the engines roar, and It's the girl that makes the thing that holds the oil that oils The ring that makes the thing ummy bob thats gonna win the war It is 'n all