PCB assemblies are used to create complex electronic systems. They are designed to provide a high degree of reliability in a wide variety of electronic applications. PCB assemblies are constructed using a combination of components, including printed circuit boards, surface mount components, and other components. They are built using advanced manufacturing processes that ensure the highest quality and reliability. PCB assemblies are used in various industries, including medical, automotive, and aerospace. They are also used in consumer electronics, such as computers, phones, and other electronic devices.