agnr.osu.edu...pumping, particularly of sap, should be avoided. other pump models are available...

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Page 1: agnr.osu.edu...pumping, particularly of sap, should be avoided. Other pump models are available which contain little or no lead. Old milk cans frequently contain terneplate, an alloy
Page 2: agnr.osu.edu...pumping, particularly of sap, should be avoided. Other pump models are available which contain little or no lead. Old milk cans frequently contain terneplate, an alloy