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Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Pump Systems Problems, Pump Repair, Pump Installation, Pump Troubleshooting, and Water Hammer - Pumps & Systems Provides Articles, Tools, Online Calculators, Expert Blogs, New Products, Manufacturer Directory and Forums for Pump Users.

Agriculture Solar electricity systems for Solar Power and Electricity for Farms Ranches Agriculture, Ag Energy Processes About Agricultural and Farm Power Process Ag Energy Electricity applications. Solar energy power solutions engineered for reliabi...

Originator of the Centrifugal Sealless Magnetic Drive Pump. The ultimate in reliable, trouble-free performance for chemical, OEM, industrial, hydronic, medical, marine, solar and biofuel applications.

The Wessels Living History Farm Web site explores innovations in American agriculture especially during the 20th Century. It

The International Food Policy Research Institute (IFPRI) seeks sustainable solutions for ending hunger and poverty.

Nebraskastudies.org is a resource for teacher, students and adults interested in Nebraska, its history, geography, culture and people. We feature lesson plans, video, and primary source historical documents.

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The Alabama Cooperative Extension System operates as the primary outreach organization for the land-grant functions of Alabama A&M and Auburn Universities.