small lowincome countries in particular often cannot rely only on domestic demand and supply of inputs and human capital hence regional policies and a focus on regional integration may pay off in terms of developing a sustainable industrial sector by enabling access to larger markets unido box illustrates an example of unidos support for trade facilitation and regional integration through the establishment and capacity development of a regional accreditation body while lowtech industries such as food and beverages might only involve a limited number of stages of production in the value chain medium or hightech industries like automotive or machinery often entail a high number of value adding activities for the production ofthe final good