|A game of strategy. the player becomes a chief engineer at a construction site. The player must build of steel girders so that the steel worker may walk safely across the site.|
In order to do this, player must select the right size girder (out of many different sizes) and the right direction and location for the girder. delay or hesitation is very dangerous. If you are not quick enough in your selection the steel worker falls and you lose.
Game description from www.arcade-history.com