.section#paper-mill-steam-condensate-systems{background-color:#e1e1e1}.section#pm-hood-heat-recover-systems{background-color:#e1e1e1}.section#valves{background-color:#e1e1e1}.section#desuperheaters{background-color:#e1e1e1}.section#auto-recirculation-valves-for-centrifugal-pump-protection{background-color:#e1e1e1}