Some Israeli sources claim the system was unreliable and only a few of the taps were operational .
To take advantage of the water obstacle , the Israelis installed an underwater pipe system to pump flammable crude oil into the Suez Canal , thereby creating a sheet of flame .
Some Israelis sources claim the system was unreliable and only a few of the taps were operational .
To take advantage of the water obstacle , the Israelis installed an underwater pipe system to pump flammable crude oil into the Suez Canal , thereby creating a sheet of flame .