ABSTRACT

684] Resistance of Pump-water is https://www.w3.org/1998/Math/MathML"> 4   1 6 https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780203041345/1736f666-756b-415d-8b80-d6ece8499c00/content/ieq0833.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/> Salt in 1000 of rain water 9 times less than Sea water 100 that of rain water*.