Value of Mock Ups

What Value is There in a Mock-up to Support Decommissioning?
nuclear industry decommissioning programs mock-up measurement time investment resources

In the realm of nuclear industry decommissioning programs, a recurring theme persists regarding the necessity of constructing a mock-up. 

Professionals frequently pose questions regarding the measurement and rationalisation of the investment of time and resources in such endeavours. 

Queries arise surrounding the duration's necessity and the program's capacity to accommodate it. Fundamentally, the question posed is, "What real value does a mock-up bring to a decommissioning program?"