The floor of this cell was indescribably filthy, because there was no toilet bowl in the cell and the floor had been used as a lavatory.
In the most obvious case, a toilet flush cistern and its water supply must be isolated from the toilet bowl.
They are usually built to fit the shape of the toilet bowl: two examples of this being the elongated bowl and the regular bowl.
Modern toilets may be "close coupled", with the cistern mounted directly on the toilet bowl and no intermediate pipe.
If you like a tidy toilet bowl that's half full of sparkling clear water, the dual flush concept will be a bit of an adjustment.
Modern flush toilets use a pullchain attached to a lever that lifts the plunger to release water into the toilet bowl.
The angry officer is then taken from the cell by a guard to clean up a dirty toilet bowl with a fork.
Ajay, despite initially attaching the toilet tank to the bottom of the toilet bowl, manages to pass.