Large - scale assessment is not necessarily a bad idea; it can provide useful comparative data to identify bright spots and guide system change. (ascd.org)
The detector and guide system face the viewer, and one of the electronics racks can be seen to the right. (naoj.org)
we've been meaning to add some kind of guide system for our doors, we'll need to follow your brilliance soon, our two young boys have «notched» the walls because the doors keep banging against them! (chezerbey.com)