You must never take the helmet off when you drive.
Helmets must be worn at all times when driving.Helmets must be taken around with you when you drive.Wearing helmets is never taken into consideration when driving.Helmets are an optional part of you when you drive.Hướng dẫn giải:Dịch nghĩa: Phải đội mũ bảo hiểm mọi lúc khi lái xe.
