electrical conductivity
... that while the electrical conductivity of pure water is very low, the conductivity of drinking water can be thousands of times greater?
... that while the <b id="mwCzo"><a href="./Conductivity_(electrolytic)" id="mwCzs" rel="mw:WikiLink" title="Conductivity (electrolytic)">electrical conductivity</a></b> of <a href="./Purified_water" id="mwCzw" rel="mw:WikiLink" title="Purified water">pure water</a> is very low, the conductivity of <a href="./Drinking_water" id="mwCz0" rel="mw:WikiLink" title="Drinking water">drinking water</a> can be thousands of times greater?