This course covers the properties, sources, and impurities of water, their effects on textile processing, boiler efficiency, and industrial applications, and methods for water treatment and recycling. It explores fuels and lubricants, their types, properties, and applications in textile machinery. The study of solutions, detergents, and soaps includes surfactants, chemical equilibrium, and their role in textile processing. Additionally, the course examines textile pretreatment processes such as degumming, desizing, scouring, bleaching, and mercerization, along with related chemical agents and machinery. Textile coloration and finishing cover dyeing, printing, and finishing techniques, types of dyes and pigments, and chemical auxiliaries essential for achieving high-quality textile products.