The survey instrument was a modified version of the classification of NICU levels used by the Vermont Oxford Network. The classification consisted of basic care (level I), specialty care (level II), and subspecialty intensive care (level III) (Table 1).
1 1) Performs any of following duties to assist in surveying land: Holds level or stadia rod at designated points to assist in determining elevations and laying out stakes for mapmaking, construction, mining, land, and other surveys. 2  2) Calls out reading or writes station number and reading in notebook.
A flagger is an individual who directs traffic around obstacles or obstructions in the roadway. The flagger's job is to keep motorists and pedestrians safe by warning them of dangers ahead. In doing so, he also keeps road workers safer by alerting motorists to their presence.