Historical clue formulations

• Fluid for a lighter — 2025-12-18
• Lighter fluid — 2022-06-19
• Lighter compound — 2012-11-23
• Zippo filler — 2012-06-13
• Gas in lighters — 2012-01-09
• Cigarette lighter fill — 2001-12-03
• Lighter fill — 1999-04-16
• Fuel gas — 1998-06-20
• Barbecuer's supply — 1997-12-19