1 Italian dressing (or use a recipe for Olive Garden's House Dressing) 2  freshly grated parmesan cheese, to taste. 3  fresh ground black pepper, to taste.  In a large glass or wooden salad serving bowl, toss together the lettuce mix, onion slices, olives, pepperoncini, tomatoes, and croutons. Add dressing and toss to combine.
Distance measurement. Main article: Distance measurement. Measurement of distance is accomplished with a modulated infrared carrier signal, generated by a small solid-state emitter within the instrument's optical path, and reflected by a prism reflector or the object under survey.
In addition to modification of existing instruments, two revolutionary mapping and surveying changes were introduced: photogrammetry, or mapping from aerial photographs (about 1920), and electronic distance measurement, including the adoption of the laser for this purpose as well as for alignment (in the 1960s).