oil-refining oil refiner • oil-regulating · · · Info · Characters · · oil-refining · · Text Common · · Latin · · Scripts 12 · · Length Characters · · - hyphen-minus U+002D e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072