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.
What is it? Gelatin is an animal protein made by boiling the collagenous material from animal bones, hides, and skins. Pig and cattle bones are typically used to make gelatin. Gelatin has many uses, including use in cooking, industrial uses, cosmetics and photography. In the pharmaceutical industry, gelatin is used primarily to make hard and soft gelatin capsules. Other uses include tablets, emulsions, suppositories and syrups.