Tap or click steps to mark as complete. 1  Cut 1/2-inch-thick slice from rounded bottom of watermelon half to prevent it from rolling around. Scoop watermelon pulp into large bowl; reserve shell. 2  Pour 2 cups juice into saucepan; bring to boil. Remove from heat. 3  Refrigerate 45 min. or until thickened, stirring every 15 min. Pour into watermelon shell.
For ânylonâ strings, manufacturers typically use polymers comprised of amide functional groups such as aliphatic polyamides (including Nylon 6 and Nylon 66), and polymers comprised of ketone functional groups such as Zyex (AKA polyetheretherketone, or PEEK).
Choosing Strings: Synthetic-Core. Synthetic-Core Strings. Synthetic-core strings are made from various types of synthetic materials, including nylon (from which perlon and stabilon are made) and composite fibers. They tend to produce a richer, fuller, and warmer tone quality than steel-core strings.