ENGE 1024 Final
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| Discuss the Intel Chip case. | The chips were defective and could not do simple mathematics. At first, Intel denied the problem, but then replaced the defective chips.
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| Discuss the Denver International Airport incident. | Malfunctioning baggage system. Weakend concrete (dilute to save money, increase profit)
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| Discuss the Intel Chip case. | The chips were defective and could not do simple mathematics. At first, Intel denied the problem, but then replaced the defective chips.
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| Discuss the Denver International Airport incident. | Malfunctioning baggage system. Weakened concrete (dilute to save money, increase profit)
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| Discuss the Paradyne computer case. | Competitive Bidding. The software was not tested and no on-site visits were performed.
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| What is required of Professions? | Skills, judgment, discretion, extensive formal education, set standards, public good
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| What is the Code of Ethics | 1) Framework for ethical judement for a professional. 2) Not a legal document. 3) Doesn't create new moral/ethical principles. 4) Guide of how to act in certain situations. 5) Safety of the public (paramount) 6) Loyal to client
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| Describe the IEEE Code. | Short, general
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| Describe the NSPE Code. | Long, detailed
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| Which is greater: Saftey of the public or duty to the your employer? | Safety of the public
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| What are the 4 ethical theories? | Utilitariansim, Duty Ethics, Rights Ethics, Virtue Ethics
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| What is Utilitariansim? | Doing what is best for society. Act (individual actions), Rule (moral rules), John Stuart Mill
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| What is Cost-Benefit Analysis? | Part of utilitarianism. See if benefits>costs. Hard to assess because of things with no dollar value (death)
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| What is Duty Ethics? | Other people's rights, respect for others, Immanuel Kant
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| What is Rights Ethics? | Your rights, John Locke (life, liberty, property)
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| What is Virtue Ethics? | Being the best we can be (honest, trustworthy)
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| What is Corporate Morality? | Must respect rights of individuals and should exhibit the same virtues that we expect of a person.
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| Discuss the Disaster at Bhopal. | Leak in the chemical storage tanks. Warning alarm was improperly set. 2,000 died.
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| Discuss the Aberdeen Three. | Inspections indicate safety hazards. Flammable substances left in open containers. 3 people indited for dumping of hazardous wastes.
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| Teamwork doesn't work if a member... | Doesn't do a good job, doesn't contribute, doesn't complete assignments on time, tries to do everything. A team must share the work equally.
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| What is the Front Panel? | Displays controls, user interface
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| What is the Block Diagram? | Holds programming elements that are wired together ("behind the scenes")
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| What is a Project in LabVIEW? | Collection of related program elements that are intended to work together
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| What is the Controls Palette? | Gives access to objects (controls, indicators, knobs, graphs)
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| Describe the following Mechanical Actions: "When Pressed", "When Released", "Until Released" | "When Pressed": action occurs when the button is first pressed. "When Released": action occurs when the button is first released. "Until Released": action occurs until the button is released.
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| Discuss Functions in LabVIEW. | LabVIEW is based on functions (not math operators), placed on block diagrams, terminals for inputs and outputs.
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| What is a Control? | Used to set a value
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| What is an Indicator? | Used to display a value
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| What is Dataflow Programming? | A node on a block diagram executes as soon as all of the inputs have values**
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| What is a Double-Precision data type? | DBL, decimal, orange
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| What is a 32-bit Signed Integer data type? | I32, integer, blue
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| What is a Boolean data type? | TF, true/false, green
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| What is a String data type? | abc, words, pink
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| What is the equation for Voltage (with respect to current and resistance)? | V = IR
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| What does the Random Number Constant return? | A number between 0 and 1
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| What are some tools for Debugging? | Broken Wires, Broken Run Button, Execution Highlighting (watch flow through block diagram), Single-Step (run step-by-step), Probe (test wires), Breakpoints (stop program at certain point)
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| Describe a While Loop. | Continues until stop condition is met. Default: Stop if True
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| Describe a For Loop. | Continues for a defined amount of time. i: iteration terminal N: count terminal, number of times the loop runs
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| Describe the Wait Function. | Used to slow iterations (in ms)
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| Describe Tunnels in LabVIEW. | Get information across a loop boundary.
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| Describe Shift Registers. | Memory; used when the current calculation needs to include the previous calculation.
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| Describe Case Structures. | Allow certain actions to take place depending on a variable's value.
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| Describe a Property Node. | On the block diagram; can be used to determine or set an object's value
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| Describe Sequence Structure. | When something must be done in sequential order
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| Describe Data Aquisition (DAQ) in LabVIEW. | The process of automatically importing data from one or more sensors or transducers directly into a computer
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| What is a Sensor? | Device that responds to a physical change and outputs an electrical signal.
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| What is a Transducer? | Device that converts energy from one form to another.
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| What is a Thermocoupler? | A sensor that generates an electromotive force (emf) due to dissimilar metal joined at the junction.
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| What are Resistance Temperature Devices (RTDs)? | Have a varying resistance that depends on the temperature of the device's sensor.
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| What is Signal Conditioning? | May be required to adjust the signal type and range of the oupt signal to align with the requirements of the DAQ. (Use because of noisy signal, amplification/offset)
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| What are the 3 things that a computer using DAQ must know? | 1) what signals to measure. 2) how often to take readings 3) how many readings to collect (time)
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| What is a waveform? | Collected data in DAQ
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| What are some common measurements of sensors? | Temperature, force, pressure, position, light, sound
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| What is aliasing in DAQ? | Misleading data when sampling at too low of a frequency
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| What is the single most important challenge facing humanity today? | Energy
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| What are the top 5 world problems? | 1) Energy, 2) Water, 3) Food, 4) Environment, 5) Poverty
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| What are the second and third hypotheses referring to Nanotechnology and Energy? | 2) If we solve the energy problem, we will be more likely to solve the other problems. 3) no matter what you think should be on the list, energy should always be #1 because it most benefits the others
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| How much energy is needed to completely solve the world's energy needs? | 20 terawatts -- but we can't find it cheaply
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| What is an Interconnected Electrical Energy Grid? | massive long-distance electrical power transmission, local shortage of electrical power with real-time pricing
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| _______ could help form the "Armchair Quantum Wire' and play a big role in the electric transmission system. | Nanotubes, also called "buckytubes"
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| What is Design? | A type of probem-solving where the problems do not usually have a "correct" solution
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| What is the Engineering Design Method? | 1) Define problem, 2) Gather information, 3) Generate multiple solution, 4) Analyze and Select a solution, 5) Test and implement solution
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| What is Cheating? | Giving/recieving unauthorized aid/advantages
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| What is Plagarism? | Copying of language/structure/programming/ computer code/ideas/thoughts
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| What is Falsification? | The statement of any untruth (ex: forgery, tampering with record, changing an exam grade)
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| What happens when you are given a second offense of the Honor Code? | Permanent dismissal from the university
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| What is the Engineering Process? | Idea --> Product/Service --> Society
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| What is ABET Accreditation? | 28 professional engineering societies (non-government), Voluntary, Accrediation granted/denied (not ranked), Accrediation granted for maximum of 6 years
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| What are the requirements of being a Professional Engineer? | Graduate from ABET school, 4 years of engineering experience, 16 hour written exam (Fundamentals of Engineering, Principles&Practice), Code of ethics (self imposed)
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| What are common team problems? | Absence/not doing work, breakdown in communication
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| What is a Multiview Sketch? | Represent series of projection (2 of 3 projections shown), Orthographic
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| What is a Pictoral Sketch? | Single view (all 3 projections), no hidden lines, Isometric
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| What is the Precedence of Lines? | Visible, Hidden, Center, Dimension, Construction
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| What is Flowcharting? | "Picture" of algorithm, Prepared according to rules/procedures, flow from "top to bottom" and "left to right"
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| What are the flowcharting symbols? | Rectangle (processing), Oval (terminators), Parallelogram (input/output), Diamond (decision: if statements), Hexagon (loop: while), Small Circle (node), Large Circle (on-page connector), Upside down house (off-page connector)
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| Discuss LEED Certification. | Sustainability in buildings. (Washington National Baseball Stadium, Blacksburg Motor Company)
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| What is the Order of Magnitude? | Power of ten when a value is written in scientific notation
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| What is the Independent Variable? | What you change (x-axis)
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| What is the Dependent Variable? | What is being measured (y-axis)
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| Describe Linear Functions. | Common/Linear: y=mx+b Straight line on rectilinear graph paper.
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| Describe Exponential Functions. | Common: y=be^mx Linear: lny=mx+lnb Straight line on semi-logy
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| Describe Power Functions. | Common:y=bx^m Linear: logy=m(logx)+logb Straight line on log-log paper
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| 3 Dilemmas to Ethical Problems. | The lLaw, personal, professional
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| Discuss CML: "Disposable" Cameras. | 77-90% mass remanufacturable, components reused up to 10 times, remained recyclable
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| What is the Coefficient of Determination? | R-Squared: percent of the line that can be explained by the data
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| What is Pasteurization? | Product heated for certain amount of time to reduce or inactive germs
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| What affects heat transfer in an exchanger? | Heat exchanger material, type of product, temperature, time
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| What is Power Aware Computing? | Large data centers will soon require their own power plant. Design hardware/software that must conserve power when possible
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| Describe the NSPE Code of Ethics? | Safety of Public**, perform servies in their area of expertise, give true public statements, loyal to client/employer, not be deceptive, honorable/responsible/ethical/lawful
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| What do Clean Coal Technologies do? | Caputer Co2 from power plants and store/lessen greenhouse gas emissions
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| What is a Breadboard? | Many sockets where you insert leads of wires to build circuts, sockets in column connected together, buses (horizontal) connected
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| What is a Voltage Regulator? | Convert from 9 volts to 5 volts
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| What is a Multimeter? | A voltage measuring tool, positive/negative probes
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| What is a Motor Driver Integrated Circuit (IC)? | Send many wires in; 16 pins
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| What is a Diode? | Carries electricity in 1 direction, keeps from short circuiting
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| What is a computer program? | Set of instructions that a computer understands
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| What is the Functions and Structures Palette? | Find arithmetic functions, comparisons, structures
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| What is Dataflow Programming? | Node executes when data is available to ALL input terminals.
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| What is the Law (ethics)? | Upheld by government, black/white
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| What are professional ethics? | Guidelines that professional societies expect members to uphold
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| What are Personal ethics? | Necessary to interpret professional ethics (utilitarianism, duty/rights/virtue ethics)
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| Why does a while loop run at least once? | "Post"-while, condition is checked after the loop is processed
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| What equations are used with gears? | v=rw, w=theta/t, T1/T2=r1/r2=w2/w1
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| What is Precision? | Repeatability
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| What is Accuracy? | Close to real answer
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| Why did we use DAQ in workshop? | Collect data on water quality and temperature parameters
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| Stroubles Creek is a sub-watershed of what larger watershed? | New River
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| What is the Total Maximum Daily Load (TMDL) of a stream? | Established to monitor progress and stream health
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| What are commonly monitored water quality parameters? | pH, dissolved oxygen, temeprature, conductivity, phosphorus, nitrogen, benthic organisms, pathogens
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| What is an Impaired Stream? | One which exceeds what is considered to be a healthy level of sediments/nutrients
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| What is a coercion dot? | Placed on the terminal where numerical conversion takes place
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| What is Nanotechnology? | The study of the fundamental principles of molecules and structures with at least one dimension roughtly between 1 and 100 nm
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| What does "nano" mean? | One billionth
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| What is the measurement of an atom's diameter? | 10^-1 m, 10^-10 m
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| What are Carbon Nanotubes? | Allotropes of carbon, strong/unique properites, conductors
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| What is Chirality? | "Twist" of the nanotube
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| What is a Chiral Vector? | Idenfies the wrapping angle (angle at which lattice is wrapped)
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| What is Armchair Chirality? | m=n, theta=0
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| What is Zig-Zag Chirality? | m=0, theta=30
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| What is Chiral Chirality? | theta is between 0 and 30
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| What is the Elastic Modulus (E)? | Describes the elasticity of a nanotube High E is siff, not stretchable
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| What is the most important force at nanoscale? | Intermolecular attraction
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| What is the domain of nanotechnology? | 1-100 nm
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| Why did CBS use Lockheed Martin? | To help with technology as part of their pilot for NCIS:LA
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| What concepts did the Boing 787 Dreamliner illustrate? | Globalization: parts from all over the world
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| What Hardware and Software were incorporated into the motion detector activity in workshop? | Mechatronic (hardware), LabVIEW (software)
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| What is a Sonic Sensor? | Uses sound waves to approximate the distance to nearest object (emits clicks, used in radar/sonar)
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| What is Radar? | Uses electromagnetic waves instead of sound waves
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| What is Sonar? | Uses sounds that can be heard, but is usually used underwater
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