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International color coding for Pipe lines?

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Answer:
OIL = Golden Brown
Water = Green
Gas = Yellow
Steam = Silver
Compressed Air = SKY BLUE
NITROGEN GAS - FRENCH GRAY / YELLOW
HSD ( DIESEL ) - DARK BLUE
FRESH WATER - GREEN
CHILLING WATER - BUS GREEN
BLOCK FOR - OXYGEN
COOKING GAS - POSTAL RED

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