See also:
http://www.ehow.com/way_5865142_homemade-prospecting-equipment.html
http://www.ehow.com/how_7903208_build-sucker-sluice-gold-panning.html
http://www.ehow.com/how_7947782_make-handheld-suction-pump-gold.html
http://www.ehow.com/how_7944107_make-suction-stick-vacuum-prospecting.html
http://www.ehow.com/how_7976442_do-suction-pump-recover-gold.html
http://www.ehow.com/how_8455947_build-own-water-suction-pump.html
http://www.ehow.com/how_7809059_make-pump-out-pvc-pipe.html
http://www.ehow.com/how_5016689_build-simple-water-pump.html
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