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DonLeffingwellPE's Member Profile

I've been a member since Apr 18, 2000 and have logged in 1176 times. I last logged in on Sat, Jun 29, 2002 You can click on the table below to visit the forums that I participate in. Please consider joining Eng-Tips Forums. As a member, you will be able to talk with other members, be notified of responses to your posts, and use keyword search.

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-Engineering spreadsheets
Agricultural engineering other topics
Autodesk: AutoCAD
Bioengineering and Biomechanics
Chemical engineering other topics
Circuit design
Commercial product engineering general discussion
Composite engineering
Computer engineering general discussion
Electric motors & generators engineering
Electric power & transmission & distribution
Electrical Engineering general discussion
Engineering History
Engineering project management general discussion
Finite Element Analysis (FEA) engineering
Gear & Pulley engineering
Heat Transfer & Thermodynamics engineering
How to Improve Myself
IEEE (electrical) Code Issues
Industrial/Mfg engineering general discussion
Machines & Machining engineering
Manufacturing Plant engineering
Material engineering general discussion
Mechanical Acoustics/Vibration engineering
Mechanical engineering general discussion
Microsoft VBA - Visual Basic for Applications
Microsoft Visual Basic
Petroleum engineering general discussion
Pipelines, Piping and Fluid Mechanics engineering
Plastics Engineering general discussion
Polymer engineering
Professional Ethics in engineering
Pump engineering
Rubber engineering
Spring engineering
Structural engineering general discussion
Where is Engineering Going In The Next 5 Years
Wood design and engineering

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