illiteracy. Polling stations contain metal drums painted in party colours and emblems with candidates' photos attached to them. Voters are given a marble to place in the drum of their chosen candidate; when dropped into the drum, a bell sounds to register the vote. To avoid confusion, bicycles are banned near polling booths on election day. If the marble is left on top of the drum rather than placed in it, the vote is deemed invalid.

A similar system used in social clubs sees voters given a white ball