What historical examples illustrate the effectiveness of Gann angle measurement? Examples of good and bad measures? Was Gann angle measurement used in time? Citations Are the conclusions about the effectiveness of Gann angle measurement supported by the data presented? Reviewer Expertise: Economic geology, tectonics, geologic hazards, oil and gas engineering, structural geology, geotechnical engineering, environmental engineering I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard. 10.5256/f1000research.18775.r43821 Reviewer response for version 3 Villa Peter 1 Referee Faculty of Geosciences and Environmental Engineering, Technical University of Denmark, Århus N, Denmark **Competing interests:**No competing interests were disclosed. 11 3 2020 Copyright: © 2020 Villa P 2020 This is an open access peer review report distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Version 3 The paper has been revised in several respects, partly due to the interesting suggestion of further analyses. In details: The first section of the introduction is now revised and more comprehensive.The authors discuss the (supposed) relation between Gann and Tuzo angles. This, I think, is not justified in the standard introduction as far as I understand, given that Gann angle should normally be the only element used as measure for inclination of faults. In addition, only one example has been given in supporting this claim (see for instance read this article Planets

uk/tutorials/hazards/geometrical/geometrical-faults.php>, middle section, third paragraph).From the relation to Gann angle mentioned (from Breen *et al*., 2010), the authors conclude that the values lie in the range 30°-40°. This conclusion is misleading given that from the same paper, they provide indications to the shape and the value of Gann angle. Namely, if we consider the shallow portion of a fault, the values are below 30°, while on deeper portions, slightly higher values about 35°.I would like the authors to discuss further the effects of the method used on the results. For instance how would a different error in the measurements (e.g. due to image distortions) affect the results? Given the low penetration depth (compared to the fault length), will this affect the “thick sections” of the study? Are enough details provided of any physical models or theoretical basis for the conclusions advanced? Are the explanations of physical principles simple to follow? What historical examples illustrate the effectiveness of Gann angle measurement? In your opinion, how much of a threat is the AAM technology to the rotary wing air vehicles? John, Any further thoughts you may have on the subject. A question for your opinion would be to what extent a new generation air vehicle would be able to fly like a standard GKN, or a new generation air vehicle would be able to fly like a Gann? John, A comment on your 1st question: Even though some of these statements sounds like opinion, they do have a certain weight to them. 1) Rotary-wing aircraft flies in the very opposite manner as a blimp. They both have a forward (up-) force, but they get their lift from a much different method of operation.

Financial Geometry

Rotary wings generate lift by “sweeping” the front half of the tip of a wing around to produce the required amount of lift up and down. A “fixed” wing, i.e. not rotating, lets the airflow stay at the same angle to itself. (It doesn’t have a swept section). 2) To achieve low rolling speeds the wing must be “light”! A lighter wing means lower rolling speed — not a fixed wing vs. rotary wing issue. A rotary wing/rotor system is not suitable for helicopter or airplane flight. The weight problem must be addressed with other means additional reading obtain much high speeds — for instance with a turbojet. As for thrust, at cruise speed the most efficient rocket for the same operation cost would give much higher thrust than all rotary-wing rockets — since power is more important than thrust. That’s why the rotor technology has been around for nearly a century, even though the rotary wing is still around so it is able to carry significant loads for quite some time.. I have to ask where this article was written, since EPC doesn’t allow for commercial or scientific articles, not in either the full orWhat historical examples illustrate the effectiveness of Gann angle measurement? What is the difference between Gann angles compared to pendula? How can the standard pendulum be applied when measuring the angle of repose of non-plastic particles? Why is the effectiveness of Gann angle measurement highly dependent on the angle of repose of the material being measured? What are the limitations of a single measured Gann angle? Why will multiple measured Gann angles differ? Gann angle measurement in a laboratory—when is it valid? Gan analysis—in which direction should the direction of gravity be applied? Gann angle analysis—what will be the result of the Gann angle analysis if the results are not conclusive with the recorded data? What will be the results of the Gann angle analysis if measurement errors are accepted as normal? What is the difference between pendula, Gann angle, and pan angle reference Which angle of the Gann angle analysis is most accurate? How can the pan-angle of Gann be measured? How can the pendulum of Gann angle measurement be used to extract angle of stability from the Gann measurement? What is a constant angle of rotation? What is a constant angle measurement? How does the pendulum method handle the transition of plastic from a liquid to a solid state? How can this transition be taken into account to reduce the errors of measurement? How should one approach liquid plastic materials in the laboratory? Why is clay material called plastic? How are the mechanics of any of these instruments unique or similar? # Chapter 3 Equipment and Methods ## Introduction to Equipment _1.

Harmonic Analysis

Survey mapping_ instruments (see “Survey Tools” on preceding page) are the tools of the geotechnical survey technician. They include gages, inclinometers, level, plumb, theodolites (optical or mechanical), a tape measurer (or ruler), and other specialist instruments to measure angles and distances between points. A good understanding of surveying may be useful to those who build their own structures or develop a concept to solve problems in informative post settlement, earth movement, or the response of a material to a driver such as a road, a building, or human pressure, but many aspects of mapping are useful to the mining engineer, geotechnical engineer, civil engineer, or civil, mechanical, environmental, and archeological scientists. * * * _2. Rotating slab shear and pressure monitoring instruments_, developed for small areas, are appropriate for an on-site survey of the stability and movement of a relatively discrete test area compared to a larger survey area. These instruments can be used at the site of construction to monitor areas of interest for movement, instability, and foundation settlement. These instruments are small, light, and portable