Carbon fiber reinforced polymer as epoxy, but other thermoset or thermoplastic polymers, such as polyester, vinyl ester, or nylon, are sometimes used. The composite material may contain aramid (e.g. Kevlar, Twaron), ultra-high-molecular-weight polyethylene (UHMWPE), aluminium, or glass fibers in addition to carbon fibers. The properties of the final CFRP product can also be affected by the type of additives introduced to the binding matrix (resin). The most common additive is silica, but other additives such as rubber and carbon nanotubes can be used. The material is also referred to as "graphite-reinforced polymer" or "graphite fiber-reinforced polymer" ("GFRP" is less common, as it clashes with
What Are Little Boys Made Of? appear in several popular songs, including "Nothing Can Change This Love" by Sam Cooke from 1962 and "Sugar and Spice" by The Searchers, from 1963. "Sugar and spice, and all things nice" is also a verse in the Stone Roses early single "Sally Cinnamon". Van Halen in 1991 released the song "Poundcake," which contains part of the lyrics in the beginning of the music video. Alternative rock band Garbage incorporate the words of the rhyme in their song, "What Girls Are Made of," on the Deluxe edition of their 2012 studio album "Not your Kind of People". In October, 1966,