Productivity measures the actual man-hours used versus those planned.
Productivity is not measured by hours that were planned.
Productivity is measured only by hours that are planned.
There was no smoke.
Variables for additional testing are chosen from a wide array.
My sister had to have a computer when she went to college.
Diana wrote letters to her lover, James, but they were stolen.
A person is squeezing through an opening.
The roads in the National Park are very flat.