Traffic-light signalling and operation to a double red light. Tianjin in the People's Republic of China has two very special systems of traffic lights, in use since : One system is where there is a horizontal bar in a specific colour, with the colour changing and the bar shrinking. The shrinking bar indicates the time remaining in that colour. The colour itself is either red (stop), yellow or green (go). A blinking green one-third-full bar means "reduce speed now", and a blinking yellow full-bar indicates "proceed with caution". When lights of this system turn from green to red, the diminishing green bar will flash
Battle of Savo Island flooded compartments because of lack of power. Since all of the Japanese ships were on the port side of "Canberra", the damage to the ship's starboard side occurred either from shells entering low on the port side and exiting below the waterline on the starboard side, or from one or two torpedo hits on the starboard side. If torpedoes did hit "Canberra" on the starboard side, then they may have come from a nearby Allied ship, and at this time the U.S. destroyer "Bagley" was the only ship on that side of the Australian cruiser and had fired torpedoes moments