The development of carbon-embedded plastics, otherwise called “composits,” is an important new technology because 2 it holds the key for new aircraft and spacecraft designs. This is so because 3 these composits are not only stronger than steel but lighter than aluminum.

The following arguments were abstracted from newspaper articles, editorials, and letters to the editor. Use the method presented in this section to construct argument patterns. If a statement is redundant or plays no role in the argument, do not include it in the pattern.