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When acquiring a full-face helmet (with face and jaw protection), duly approved, the user should pay attention to:
AAerodynamics, the level of soundproofing, and the ventilation system.Correct
BThe price, the level of soundproofing, and the ventilation system, without giving importance to aerodynamics, because it does not influence comfort.
CThe price, the ventilation system, and aerodynamics, without worrying about the level of soundproofing, which is the same for all helmets.
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