This document discusses the advantages, disadvantages, and applications of plastics. It notes that plastics are light, cheap to produce, corrosion and chemical resistant, easily molded, have excellent finishing and adhesive properties, and are odorless, unbreakable, and versatile. However, plastics produce toxic fumes when burned, are not biodegradable or heat resistant, create pollution, and recycling is costly. Common applications of plastics include shopping, packing, automobiles, electronics, household goods, and construction.