During the Old Boys' Club mission in the game Control you'll have to solve a punch card puzzle to get the HRA Machine working again. This page explains how to find all that punch cards, put the ...

To fix the HRA Machine involves picking up five Control punch cards around the lab and matching the cards to the numbered terminals.

Punch card machines, so widely-criticized during the recent presidential balloting in Florida, are used by some 30% of U.S. counties, cities and townships.