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What are the different types of motorcycle helmets? 


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There are different types of motorcycle helmets available. One study mentions the two most common types worn in Vietnam, which are the half helmet and the open face helmet . Another study states that there are full-face helmets, open-face helmets, and half-coverage helmets . Additionally, a review chapter discusses the components used in motorcycle helmets, but does not specifically mention the types .

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The paper mentions that motorcycle helmets in Japan are divided into two types based on Japanese Industrial Standards (JIS): type 1 helmets for motorcycles with an engine displacement of ≤125cc and type 2 helmets unrelated to engine displacement.
The provided paper does not mention the different types of motorcycle helmets. It specifically focuses on a remote-type motorcycle safety helmet and its features.
The paper mentions two types of motorcycle helmets: half helmet and open face helmet.
The paper does not explicitly mention the different types of motorcycle helmets.

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