drinking water in Australia
... that Perth is the first city to operate a reverse osmosis seawater desalination plant to provide drinking water in Australia?
... that <a class="mw-redirect" href="./Perth,_Western_Australia" id="mwE2o" rel="mw:WikiLink" title="Perth, Western Australia">Perth</a> is the first city to operate a <a href="./Reverse_osmosis" id="mwE2s" rel="mw:WikiLink" title="Reverse osmosis">reverse osmosis</a> seawater <a href="./Desalination" id="mwE2w" rel="mw:WikiLink" title="Desalination">desalination</a> plant to provide <b id="mwE20"><a href="./Water_supply_and_sanitation_in_Australia" id="mwE24" rel="mw:WikiLink" title="Water supply and sanitation in Australia">drinking water in Australia</a></b>?