Two different views of petroleum pipes. View 8: shows a man reading a diagram on a chalkboard. Possibly a dispatch center, for the man is wearing headphones with a mouthpiece attachment. A small switchboard is also shown. View 9: a man is reading a valve diagram on a board. Possibly another dispatch station. The man is wearing headphones with a mouthpiece attatchment. Words on diagram reads, "Caliola Pump Station."
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