A charge of compressed wet guncotton may be exploded, even under water, by the detonation of a small primer of the dry and waterproofed material, which in turn can be started by a small fulminate detonator.
It has since been shown, however, that unless the gas is at a pressure of more than two atmospheres this wave soon dies out, and the decomposition is only propagated a few inches from the detonator.
Colors - Does anyone know what color the cab detonator and flag tin boxes were painted when DMUs were first delivered?
At one point in the action the remote detonator of the bomb rolled under the bell.
Sharon seems implicated tho when she wakes up covered in water and with an explosive detonator in her kit bag.