The application of complete combustible case technology in rapid automatic gun is constrained by the self-ignition of the case.

全可燃药筒技术是一项新技术，将有效提高火炮系统的作战效能。

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It reveals that "combustible materials" had been stored in the stairwell and the self-closing mechanism on the fire door to the flat in which the young jockeys died was not working properly.

BBC: Malton fire death jockeys investigation continues