Ascomycota of their hosts. Owing to their long evolutionary history, the Ascomycota have evolved the capacity to break down almost every organic substance. Unlike most organisms, they are able to use their own enzymes to digest plant biopolymers such as cellulose or lignin. Collagen, an abundant structural protein in animals, and keratin—a protein that forms hair and nails—, can also serve as food sources. Unusual examples include "Aureobasidium pullulans", which feeds on wall paint, and the kerosene fungus "Amorphotheca resinae", which feeds on aircraft fuel (causing occasional problems for the airline industry), and may sometimes block fuel pipes. Other species can
Gel nails are still a very recent addition to the nail industry first being introduced in the 1980s. The most popular acrylic nail service is the pink and white which refers to the use of pink colored acrylic and a white acrylic powder to create a long-lasting French manicure look. Just as with gel nails, acrylic nail extensions can be created using forms to create sculpted nails or tips. Forms are special stickers that are placed at the end of each finger, under the finger nail, and secured in place so that wet acrylic can be sculpted into a nail extension at