Which piece of information is essential during shift handovers?

The operational status of the plant is crucial during shift handovers because it ensures that the incoming shift is fully informed about the current conditions, performance, and any issues that may affect operations. This information allows the new team to maintain safe and effective operations, ensuring continuity and minimizing risks associated with process safety. Understanding the plant's operational status includes knowledge of any ongoing tasks, any equipment malfunctions, safety concerns, and overall production metrics. This context is vital for the incoming team to make informed decisions and take appropriate actions, thereby maintaining both safety and efficiency in operations.

In terms of the other options, while company policies may provide a framework for operations, they do not convey real-time, actionable information specific to the shift's operations. Employee personal details are not relevant in this context as they do not impact the safety or productivity of the plant. Marketing strategies are unrelated to operational continuity and are not a priority during operational handovers. Thus, the emphasis on operational status stands paramount in ensuring a smooth transition and ongoing safety during shifts.