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Technical School Second Cycle
9996 - 10000
How Submarines Work
In this article, presented by HowStuffWorks.com, shows how a submarine dives and surfaces in the water. It also shows how life support is maintained, how the submarine gets its power, how a submarine finds its way in...
Converting Center Pivot Sprinkler Packages: System Considerations
This site, hosted by the University of Nebraska - Lincoln Extension, presents an overview of points to consider when selecting a sprinkler package. Some points that are explained are soil texture, infiltration rates,...
Wastewater Management: EPA's page from the Office of Wastewater Management (OWM) contains many articles focusing on control of water that is collected in discrete conveyances (also called point sources), including pipes...
An animated Powerpoint presentation for seismic refraction geophysics used on a simple two-layer system (soil over rock). Compression wave measurements used to determine depth to horizontal bedrock surface.
Sewer and Septic Tanks
This web site, by HowStuffWorks.com, gives a complete explanation with pictures and diagrams of septic systems and waste water treatment plants and how they work. Also explains why one system may be chosen instead of...
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