Tractor-trailer and 18-wheeler both refer to the combination of a semi-truck and semi-trailer. Together, they form a tractor-trailer unit, also referred to as an 18-wheeler, owing to the number of wheels present on the unit as a whole.
Quick Answer. Many different types of foods contain gelatin, including peanuts, marshmallows, Jell-O, yogurt, gummy candies and some sour cream brands, among other foods. The best way to determine if a food contains gelatin is to read the product's label. Continue Reading.
Gelatin (also gelatine) is a translucent brittle solid substance, colorless or slightly yellow, nearly tasteless and odorless, which is created by prolonged boiling of animal skin and connective tissue. It has many uses in food, medicine, and manufacturing.