These include any substance, material or article made or adapted for use of causing or threatening and includes explosives, ammunition and any inflammable liquid or substance and any acid or gas.
这包括任何用于或经改造后可用于造成威胁的任何物质、材料或物件，包括炸药、弹药和任何可燃性液体或物质以及任何酸类或毒气。