🔍 Key Concepts

• Ro-Ro vessel cargo operations (vehicle decks, ramps, doors) • Ventilation requirements in enclosed/semienclosed vehicle spaces (exhaust and fuel vapors) • Difference between operational steps always required vs. signals or lights only required in special cases

💭 Think About

• Before vehicles can drive on or off, which items must be physically positioned so that cargo can actually move? • Which action is directly related to controlling exhaust fumes and flammable vapors during vehicle movements? • Which listed step might only be required under particular local port or dangerous-goods conditions, rather than for every normal cargo operation?

✅ Before You Answer

• Identify which options are about physical access/flow of cargo versus signals/indications. • Ask yourself: which step is always needed before any Ro-Ro loading or discharging, regardless of cargo type? • Consider which action is tied to special cargo conditions (e.g., dangerous goods, bunkering, or port rules) rather than standard Ro-Ro operations.