The build-to-print electromechanical assembly approach is an important process applied to the manufacture of complex and high-value products for scientific instruments and capital equipment. The challenge for the assembler is to conform to the customer's price, delivery and field reliability expectations.

An example of a product assembled by this technique is an industrial process control device. Hundreds of discrete items comprise such a device. They can include formed sheet metal components, machined parts, circuit breakers, motor starters, solid-state relays, solenoids, indicator lights, switches, barrier strips, wire terminations, labels, and fasteners.