CLEAN : French investigators continue searching for body of missing schoolgirl Estelle Mouzin

The video tutorial covers the process of removing a rotary component, discusses Route 45 and Sakurazaka, and provides an overview of the Health and Welfare Department.

What is the primary focus of the first section in the video?

• Designing a rotary

• Maintenance of a rotary

• Removal of the rotary

• Installation of a rotary

How many times is the phrase 'ロータリーの取り外し' repeated in the first section?

• Three times

• Four times

• Five times

• Six times

What does '国道45号 桜坂' refer to in the video?

• A specific location

• A mechanical tool

• A type of rotary

• A health department

Which department is mentioned in the final section of the video?

• Department of Finance

• Department of Education

• Department of Health and Welfare

• Department of Transportation

What might be the role of the Department of Health and Welfare in the context of the video?

• Designing rotary systems

• Managing financial budgets

• Overseeing road construction

• Ensuring public health and safety