Hence distances are measured by ruler or by geometrical divider points and read off on the left or right hand vertical side scale of the chart, always using the side nearest to your chart measurement.
Kuba imigama ilinganiselwa ngesikrweleli okanye ngumahluli wemigca neembombo yamanqaku kunye nokufunda phandle kwisandla sasekhohlo okanye ekunene usebenzisa icala elikufutshane kumlinganiselo wetshati yakho.