2. Develop a modular design. The use of modules in product design simplifies manufacturing activities
such as inspection, testing, assembly, purchasing, redesign, maintenance, service, and so on. One reason
is that modules add versatility to product update in the redesign process, help run tests before the final
assembly is put together, and allow the use of standard components to minimize product variations.
However, the connection can be a limiting factor when applying this rule.