Pre-takeoff procedures and taking off

The video tutorial provides a comprehensive guide on operating a large aircraft, focusing on crew roles, taxiing, engine management, and takeoff procedures. It emphasizes the importance of communication, safety, and precise control of the aircraft's systems. The tutorial covers pre-taxi preparations, taxiing techniques, engine run-up procedures, and the execution of a safe takeoff, ensuring the aircraft is ready for flight.

What actions should be taken when preparing for takeoff after the copilot lowers the wing flaps?

How does the pilot determine the exact speed for takeoff?