RSFO definitions

Rsfo

1) Regular sulfur fuel oil
Found on https://www.crosswordclues.com/clue/rsfo

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RSFO

Regular sulfur fuel oil
Found on http://www.encyclo.co.uk/local/21049

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Rsfo

Regular Sulfur Fuel Oil (Acronym)
Found on http://www.encyclo.co.uk/visitor-contributions.php

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