Manufacturing is the production of merchandise for use or sale using labour and machines, tools, chemical and biological processing, or formulation. The branch of manufacture and trade based on the fabrication, processing, or preparation of products from raw materials and commodities.
Manufacturing industries are those that engage in the transformation of goods, materials or substances into new products. The transformational process can be physical, chemical or mechanical. Manufacturers often have plants, mills or factories that produce goods for public consumption.