- very practical thematic symbology with alerts to avoid problems with color blind, CRTS monitors, projectors, LCD monitors, printing color and photocopying.
-uphawu oluphawulekayo lwama-thematic, ngezixwayiso ze gwema izinkinga ngezimpumputhe zombala, izibukeli ze-CRT, amaprosesa, abaqaphi be-LCD, ukunyathelisa umbala nokuqopha.