nylon

"After I finished reading the book, I replaced it on the shelf. "

"to fabricate a bridge or ship"

"The children alternated reading aloud from their books in class. "

"The plastic used for milk jugs is a copolymer, made from ethylene and other similar molecules to give it strength and flexibility. "

"Originally, this paper was white, but over the years it has yellowed with age."

"The sturdy backpack is made of a durable polyamide called nylon, which resists tearing even with heavy books. "

"The store sold a generically-named "Fruit Salad" that contained mostly apples and oranges. "

"Plastic is made when many small molecules called monomers join together to form a long chain. "

"a pair of stockings"

"The teacher's lesson plan was together, covering all the key concepts logically. "

"Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom."

"The scientist studied the properties of the synthetic fiber. "