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Fluid |
Colour |
Fluid status |
Complementary colour |
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WATER |
RAL 6018 |
Drinking water |
Green |
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Hot |
White |
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Condensed |
Yellow |
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Pressured |
Red |
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Salty |
Orange |
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Industrial use |
Black |
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Waste water |
Black+black |
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AIR |
RAL 5015 |
Hot |
White |
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Compressed |
Red |
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Carbon dust |
Black |
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OILS |
RAL 8001 |
Gas-oil |
Yellow |
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Tar |
Black |
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Benzine |
Red |
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Benzol |
White |
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ACID |
RAL 2003 |
Concentrate |
Red |
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GAS |
RAL
1021 |
Depurated |
Yellow |
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Dirty |
Black |
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Poor |
Blue |
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Brigthed |
Red |
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Of water |
Green |
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Of oil |
Brown |
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Acetylene |
White+white |
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Carbonic acid |
Black+black |
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Oxygen |
Blue+blue |
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Hydrogen |
Red+red |
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Nytrogen |
Green+green |
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Ammonia |
Purple+purple |
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STEAM |
RAL 3000 |
Hight |
White |
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Exhaust |
Green |
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VACUUM |
RAL 7001 |
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ALQUITRAN |
RAL 9005 |
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ALKALIS |
RAL 4001 |
Concentrated |
Red |
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