Another aid to understanding results is the standard graphics or charting tools, such as pie charts, that are available in most GIS packages.
(Another aid to understanding results; is; the standard graphics or charting tools, such as pie charts) (pie charts; are; available; L:in most GIS packages)
Another aid to understanding results pie charts
is are
the standard graphics or charting tools, such as pie charts
available L:in most GIS packages