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New Electric Airplane for Package Delivery
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19
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1K
Are there any advantages to a one-hose (portable) air-conditioner?
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18
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1K
Rotating climbing wall - Components selection
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2
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777
PEX Pipe in Residential Subfloor Thermal Mass
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4
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579
Body-Fixed Reference Frame -- How is it useful?
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3
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1K
Round vs Square cross section tubing
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8
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Is this the Steering Tie Rod?
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5
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717
Two Omni Wheel Robot
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4
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827
Improving Air Flow on a 50ft Houseboat in the Desert SW
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33
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2K
Pressure in a water heater - does it depend on size?
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11
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2K
Heat Transfer in thin tubes
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15
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816
Air conditioner dust getting into lungs?
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2
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582
New to the forum and with my hay bale loader (large bales)
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9
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1K
My model of bicycle spokes breaking
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7
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905
Tapering a scissor arm
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17
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944
Allowable uniform loads - W beams vs. LVL
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2
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2K
Truss behaviour, load-deformation curve
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3
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659
Energy and environmental engineering silly question
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3
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531
Pressure variations after rapid pressurization
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9
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886
Prof Festo's Fantastical Flying Robot Menagerie
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2
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649
How to maximize servo torque?
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4
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1K
Question regarding converging-diverging nozzles
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2
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716
Selecting hydraulic motors and a pump for hydrostatic transmission
2
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58
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4K
Coil Compression Spring Reaction to a Pulse
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15
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1K
3d printing materials with different melting points?
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1
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610
Contracting metal fluid?
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6
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688
Difference Between FEA Result and Hand Calculation in Beam Bending?
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4
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1K
Freeing the stuck container ship Ever Given in the Suez Canal
3
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72
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4K
Calculating Pressure & Mass for Hydrogen Tank Filling
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7
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896
Gyroscopic stabilization and the cameras used in MotoGP on-bike video feeds
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2
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977
4x4" Square Tubing Generator Stand
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6
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872
Question about Spectral Estimation using AR Models
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1
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515
Signal Processing: DFT spectrum of sinusoid signals
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3
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645
Why house is important?
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3
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640
Cabinet with doors lifted by a gas spring
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3
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681
Control Theory: Derivation of Controllable Canonical Form
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3
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1K
Pressure profile of a gas flow through an orifice
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10
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2K
Building a rooftop for workshop
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2
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839
Building a roof for workshop
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3
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569
Correct bore sizing for a shower hose for a pumped water supply
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2
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593
Error in ANSYS Explicit Dynamics
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2
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1K
Calculating Flow rate for an oxygen system
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4
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821
Determining optimal barrel length for a projectile
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3
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734
How can you determine if a fan is better at blowing or sucking?
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30
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4K
Comparetto type Air Cleaner/Filter: What causes its increased airflow?
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5
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1K
Question about boundary layer growth in convergent and divergent ducts
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1
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610
Troubleshooting stove heating elements
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13
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730
LiFePO4 battery heater project (makes sure battery doesn't freeze)
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16
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1K
Principle Stress Planes
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3
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740
Fluid flow and characteristics in a vacuum (Cryophorus)
2
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45
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3K
Viscous work and dissipation of energy
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9
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1K
Endless bridge around the equator and gravity
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17
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815
Short links? Weightless links?
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13
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2K
Why operating pressure is different for propane and butane
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2
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896
Steel Tubing Questions
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3
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733
Need to interview an engineer for an engineering paper
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1
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629
Glass thermal energy
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13
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1K
Using phase difference to find the angle of a signal
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16
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1K
Reaction Torque from an Ice Auger
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18
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1K
How much counterweight?
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18
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2K
Distance/Focusing of IR Beam
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18
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1K
Estimating head loss from pipe slope?
2
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47
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4K
Two-phase flow heat transfer coefficient
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34
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2K
Which Program for Drawing Statics & Dynamics Mechanicals and Setting Dimensions?
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8
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2K
Health risks of ABS FDM (3d printing)
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4
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632
Calculating Valve Size With a Hydraulic Accumulator
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8
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874
Volumetric flow rate of nitrogen through relieving pressure regulator
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3
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866
Calculating air flow through a tube
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11
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2K
DIY large aperture optical comparator
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3
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1K
Breaking hard ground with motors
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32
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2K
Quickest Route Between Horizontal Points using the Initial Velocity & Friction
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9
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1K
Validating "NET Power's" use of the Allam-Fetvedt cycle
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4
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1K
The work done by Thermodynamic processes
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3
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757
Pressure relief valves & pressure regulators - What's the difference?
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2
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1K
Most efficient way to convert rope movement (KE) to rotational KE?
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4
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1K
[Statics] Determining the normal force at an internal point of a member
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1
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740
Springs, how they work, their coiled structure
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5
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1K
High-Pressure Turbine - efficiency
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4
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988
"Storing" energy when it is not being used?
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27
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2K
Boom angle of a crane
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5
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1K
Water flow rate and drip surface tension
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10
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1K
Vacuum Airships - would multi-skinning work?
3
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99
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5K
Seeking a type of linear actuator, which may or may not exist
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1
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732
PVD Vaccum Chamber -- How to clean up after Water leakage?
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5
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967
Lug FBD and simple mechanicals
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1
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960
How to increase a hole/thread diameter in gold
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9
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1K
Car Radiator as Air-to-Water Heat Exchanger
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9
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3K
Water Bath - Cooling Load
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9
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1K
"KICK" force exerted from a hydraulic cylinder
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12
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1K
Pressure drop through an orifice in a pipe
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2
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8K
Building a Cheap, Portable Water Level Recorder for Seiche Monitoring
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13
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2K
Does Sample Strain Decrease At Failure?
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3
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1K
Are there advantages to wood pellets over wood chips?
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4
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1K
Old fashioned gas stove with automatic lighting - how?
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14
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2K
When does the calibration uncertainty contribute to a measurement uncertainty?
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5
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1K
Are supercomputers profitable?
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7
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1K
New Member with a Tipping Force Question
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3
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940
Flood drainage outflow rate from horizontal 1500m drainpipe at sump
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8
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1K
Minimum Potential Energy
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6
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How to determine Wind turbine RPM
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