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).
Steel E strings for the violin became popular, primarily because gut E strings broke so quickly. About 20 years ago, strings with nylon cores were introduced. They share many of the tonal qualities of gut strings but are much more stable in pitch as compared to gut strings, which need constant tuning.