He suggests that the government first focus on promoting the installation of water-efficient bathroom fixtures in homes. They shouldn't be only pushed for government institutions and schools, because private citizens use twice as much water as industrial users.
他建議政府從家庭衛浴省水設備全面換裝來推廣，不要只停留在政府機構、學校的層面，因為民生用水是工業用水的二倍，涵蓋範圍更廣。