No. However, if he ever used one, for certain tasks, he would think "Holy fuck, how did I ever get along without this thing?" I used to use another means of accomplishing what this tool is used for. Doing it my old way, the task would take hours. With this tool, I accomplished the same task in less than 30 min.
so it give some general info about a place being constructed that any random contractor could use. we should know this. its going to piss me off i know it. does it just give you distance thru a pipe or ceiling or whatever?
Is it an electronic level that is used to find the high and low points in a room so you can lay out flooring or cabinets?