[jeppesen-io]

> likely illiteracy of their workforce

Seriously?

>teaching the workforce just 3-5 letters and using combinations of those letters would be a massive upgrade over this system.

Upgrade, how exactly? This works fast, does not require paper or pens (which run out, dry out or go missing).

See it in action - it works fast as hell

[gwill]

also the medium on which the message is "written" is the plate that the order will be served on and elements that accompany the order. super efficient.