Sea water purifying apparatus for ships; sea water purifying apparatus for industrial purposes related to ships; sea water sterilizers for ships; sea water purification installations for ships; sea water purifying apparatus for ships; sea water purifying apparatus and machines for ships; sea water purification units for ships; sea water purification installations for waste water and sewage on ships

Ocean vessel ballasts utilizing treated wastewater

Ocean vessel ballasts utilizing treated wastewater

Modular ballast system for membrane roofs, and components therefor, consisting of modular trays used to hold loose ballast materials on a roofing membrane, tray connectors, mesh tray covers, tray-edge finishing strips and tray drying wicking