Final answer:
Preventative maintenance is not cited as a specific goal of JIT/lean production; it is a supportive practice within JIT systems to help achieve other goals, making it the correct answer.
Step-by-step explanation:
The goal of JIT/lean production is to increase efficiency and decrease waste by receiving goods only as they are needed in the production process, thereby reducing inventory costs. This methodology is based on a number of key principles, including system flexibility, elimination of waste, continuous improvement, and systemic approaches to prevent disruptions. However, preventative maintenance is not cited as one of the specific goals of JIT/lean production, although it is a common supportive practice within many JIT/lean systems to help achieve the overarching goals of waste reduction and improved system reliability.
When looking at the given options for the goal 'not' linked with JIT/lean production, elimination of disruptions is indeed a goal, as unexpected downtime in production or supply would lead to waste and inefficiency. Thus, the correct answer to which of the following is not a goal of JIT/lean production is D. Preventative maintenance, as it is more a means to achieve JIT goals rather than an end in itself.