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Propulsion	> Fuel supply	Water supply	Waste water	Electricity
Steering	Navigation	Anchoring	Safety

There are 2 x 2475 liters build-in tanks.
One for each hull, placed near the midship section of each hull.
Its filling is possible from any hull.
System of its connection with shut-off cocks allows controlling expense of fuel from any one or from both at the same time.
Fuel tank construction is as shown in figure: