SYND 21 8 78 HUA GUOFENG VISITING FACTORIES IN PLOESTI AND BRASOV AND DOCKYARD IN CONSTANZA

The video tutorial focuses on the repeated instruction to turn on the central fan, emphasizing the importance of understanding and following the given command. The repetition serves to reinforce the learning objective and ensure the viewer comprehends the task.

What is the primary purpose of the central fan as introduced in the video?

• To cool down the room

• To heat up the room

• To dehumidify the air

• To circulate air evenly

How does the central fan contribute to energy efficiency?

• By operating silently

• By using solar power

• By increasing the room temperature

• By reducing the need for air conditioning

What is a key feature of the central fan's functionality?

• It can be controlled remotely

• It operates on a timer

• It changes speed automatically

• It has a built-in air purifier

What is the final takeaway regarding the central fan's operation?

• It is best used in winter

• It requires frequent maintenance

• It enhances air quality

• It is cost-effective

What is the recommended setting for optimal use of the central fan?

• Automatic adjustment

• Medium speed throughout

• Low speed at night

• High speed during the day