TeachMeFinance.com - explain Archimedean screw
Archimedean screw The term 'Archimedean screw' as it applies to the area of reclamation can be defined as ' An ancient water-raising device attributed to Archimedes, made up of a spiral tube coiled about a shaft or of a large screw in a cylinder, revolved by hand. A pump consisting of an inclined, revolving, corkscrew-shaped shaft tightly enclosed in a pipe'.
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