The men were then followed to track heart problems through 1999.
It tracks their lives through law school and for a period of about 10 years.
"I don't want to track water all through the house."
The study also tracked these students's progress through high school and college.
The unit's development can also be tracked through a special technology tree.
Find a few, and track them through a couple of circle dances.
Then the word must have gone out and we found ourselves being tracked through the streets.
We needed to track him through our system, and back to his lair.
Progress - and the chief executive's state of mind - can be tracked through these reports.
It is then possible to link many cameras and track a person through an entire building or area.