Answer: paraffins

AnswerCrossword Clue
PARAFFINSSibelius and Saarinen?
paraffinsA flammable, whitish, translucent, waxy solid consisting of a mixture of saturated hydrocarbons, obtained by distillation from petroleum or shale and used in candles, cosmetics, polishes, and sealing and waterproofing compounds
paraffinsA colorless, flammable, oily liquid similarly obtained and used as fuel, esp. kerosene