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Drivers towing caravans
Drivers of low-loaders
Drivers of tankers
Drivers of emergency vehicles
Explanation: Caravans are relatively light but have a large surface area. This makes them vulnerable to the turbulence created by large vehicles travelling at speed. The blast of air can destabilise the caravan, causing it to snake, and in extreme cases they can be blown over.
Category: The Road
References: The Official DVSA Guide to Driving Buses and Coaches: Section 4, The Official DVSA Guide to Driving Goods Vehicles: Section 4
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