- Pumping oil in loading all tankers.png (549.4 KiB) Viewed 151 times
- Pumping oil only loading top half.png (637.44 KiB) Viewed 151 times
- Acid not pumping at all.png (603.33 KiB) Viewed 151 times
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So it has to be tanker->pump->pipe(s) or tank(s)->pump->tanker? Perhaps this could be added to the wiki.
A second pump already works, so Tanker-Pump-Pump-Tanker.