Smokestack industries such as steel and iron.
All of the ships are easily recognizable by their bright yellow smokestack, the symbol of the cruise line.
Greens make common cause with smokestack industries, consumer activists with trade unions, development lobbyists with rich-country farmers.
Every Celebrity vessel is highlighted with the "X" smokestack logo.
It has six wheels, blue LED headlights that double as eyes and a smokestack that acts as a lever.