A distribution structure of a vertical shaft impact crusher includes a core having a hole into which a vertical shaft is inserted. A distribution member for horizontally distributing an aggregate that is vertically provided to the crusher is fused on an outer face of the core. The distribution member includes a plurality of clustered scrapped tips including hard metal, and a fusion material interposed between the scrapped tips to connect the scrapped tips to each other.

 
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> Igniter gun equipped with a safety mechanism

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