Approach to lubricant use for sexual activity The College of Family Physicians of Canada Lube Tip 5: Synthetic Oils vs. Mineral Oils LUBE TIP: synthetic oils vs. mineral oils Query: If a truck owner or driver doesn't know whether their gearbox oil is synthetic, is there a fool proof way to tell without lab testing? Muri Lube Sterile Lubricant Medline Jet Lube Lubricant, 12 oz, Aerosol Can, Mineral Oil, Yellow 37341 Zoro Jet Lube Lubricant, 12 oz, Aerosol Can, Mineral Oil, Yellow 37341 Zoro