Controversy over five-day work week in the United Kingdom

The transcript discusses various opinions from major private industries in the UK regarding the implementation of a five-day workweek. Shipbuilders express concerns about potential ruin, while motor and engineering sectors suggest a middle ground with shorter hours but increased production. Nuffield's vice chairman, Miles Thomas, supports the five-day week but emphasizes the need for sufficient work hours and effort to ensure full wages.

According to Miles Thomas, what is necessary for the five-day workweek to be successful?

What does the speaker imply about the relationship between hours worked and wages earned?