Piqua, Ohio Questor Juvenile Furniture) is the leading manufacturer of infant and toddler car seats, and has become one of Piqua's leading employers and industries. In the late 1890s, Southwest Ohio was the heart of the US flaxseed growing area. There were some 13 linseed oil mills in Piqua, where the flaxseed was "crushed" to extract the vegetable oil, named linseed oil. The flax fiber was used to make both cloth and paper. The oil had a variety of industrial uses. "Linoleum" is a manufactured flooring product for which linseed oil is the binder. One of the vegetable oil mills in Piqua
Essential oil Essential oil An essential oil is a concentrated hydrophobic liquid containing volatile (defined as "the tendency of a substance to vaporize") aroma compounds from plants. Essential oils are also known as volatile oils, ethereal oils, aetherolea, or simply as the oil of the plant from which they were extracted, such as oil of clove. An essential oil is "essential" in the sense that it contains the "essence of" the plant's fragrance—the characteristic fragrance of the plant from which it is derived. The term essential used here does not mean indispensable as with the terms essential amino acid or essential fatty