The river is always charged with a great quantity of silt which during flood season is deposited over the surrounding plain to the great enhancement of its fertility.
Lip balm is not simply a lotion for your lips, but also a beauty enhancement.
In addition there are several other areas in highly visible locations which would benefit from enhancement, for example on main transportation corridors.
Colored contacts can be either opaque or enhancement.
Placing communication enhancement into a playful environment can deliver pertinent information in a more digestive fashion, leaving the players with a greater sense of accomplishment and understanding.