Water cannons cannot pass the security inspection of high-speed trains, because they are objects that endanger public safety. According to regulations, it is prohibited to bring sharp objects such as kitchen knives, table knives, butcher knives, axes, blunt instruments, nail guns, defensive weapons, bows, crossbows and other instruments endangering the personal safety of passengers.
For more information on whether a water gun can pass high-speed train security screening, enter: https://www.abcgonglue.com/ask/80a0781616091952.html ?zd to show more content p>