man hour
person hour

The project involved 5 million man hours over 193 weeks.

You always need so many man hours to do it.

The company record for man hours without a lost time accident is 500,000, which was set between 2003-2006.

The whole exercise, they said, would take 7,475 man hours, 934 working days.

The album was in the making for 2 years and took over 16000 man hours to record.

Ted and Jim had put well over 10,000 man hours into the project.

Well you think about how they were constructed and the number of man hours!

Under the old system 240 man hours monthly were required.

But one way of looking at it is, Well the job takes forty eight man hours.

But the easy way, as I say, is to just concentrate on the man hours.