The document discusses shift logs and their importance in process plants. It notes that 60% of accidents occur within an hour of a shift change, making shift changes critical periods. Effective shift logs allow oncoming staff to learn about maintenance, issues, procedures, audits and targets from offgoing staff. The document advocates for electronic shift logs, which allow easier searching of historical events and ensure tasks are assigned and completed properly. Modern electronic shift log systems provide workflows, performance tracking and can help optimize processes.