Inboard gasoline boats built after July 31st, 1981 must have a mechanical type of ventilation system.
What is a mechanical ventilation system?
A mechanical ventilation system can be defined as a device in which circulates fresh/cold currents of air.
A mechanical ventilation system is based on the use of systems of ducts capable of ventilating the device.
In conclusion, inboard gasoline boats built after July 31st, 1981 must have a mechanical type of ventilation system.
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