Before revision: SIT consists, initially, of the "process of assembling the constituent parts of a system in a logical, cost-effective way, comprehensively checking system execution (all nominal exceptional paths), and including a full functional check-out."
After revision: andSIT consists, initially, of the "process of assembling the constituent parts of a system in a logical, cost-effective way, comprehensively checking system execution (all nominal exceptional paths), and including a full functional check-out."