... -reinforced rubber layers, are kind of a cylindrical airbags with hemispherical heads at the both ends. All of these are vulcanized ... layer, usually, our airbags contain 4, 5, 6, 7, 8, 9 layers types. Other type is still available upon customer ... , floating bridge, aquatic pipeline, dropping off oiltanker, navalships protection.(8) Public Security : Airbags shelter partition for blasting(9) Building ...