This document discusses two forms of recycling - biodegradable and non-biodegradable waste. Biodegradable waste includes food waste which can be composted. Non-biodegradable waste includes materials like glass, paper, metal, plastic, and electronics which can be recycled. The document also provides descriptions of common materials used in recycling like paper, plastic containers, glass bottles, fabric scraps, and metal cans and examples of how they can be reused or repurposed.