Commercial interior design differs significantly from residential design in terms of function, complexity and knowledge. Designing for any public space requires a thorough understanding of the relevant legislation, standards & WHS to ensure the general public are protected. Commercial space can be seen as a branded environment that represents culture. Commercial materials are generally more durable than residential materials and require more specialist knowledge in lighting, acoustics, hydraulics, storage etc. Commercial interior design requires a detailed knowledge of anthropometrics and ergonomics, work practices and workflow and various work styles.