Artificial High Directional, a portable system used in rescue operations and rope access work to elevate rope lines above edges, obstructions, railing, walls, and other challenging terrain
Australian Height Datum, a standard for measuring heights relative to landforms, tides, etc.
Topics referred to by the same term
Thisdisambiguation page lists articles associated with the titleAHD. If aninternal link led you here, you may wish to change the link to point directly to the intended article.
