Formaldehyde has many common uses including in the production of furniture, flooring, cabinets, cars, trucks, inks, and wrinkle-free clothing. It is an important chemical building block that is vital to industries such as wood products and manufacturing. Additionally, formaldehyde is used as an embalming fluid and some illegal drug users ingest embalming fluid containing formaldehyde. The document also discusses the discovery of formaldehyde and its use in body preservation.