How do you prioritise tasks in a fast-paced work environment?

How do you prioritise tasks in a fast-paced work environment?
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• Break large task into smaller actionable milestones,
• Eisenhower matrix of importance and urgency
• Correspond the task priority according to the market, where during the operation, software required immediate maintenance
• Leave creative and collaborative task later in the day where there is less demand for maintenance, and other colleagues have time for communication and collaboration
• Adapt and reassess the priority of tasks regularly, to adapt the need and demand fast-paced working environment
• Use project management tool and calendar to clearly rank the task and track progress