The factory is currently running at three-quarter 'capacity'. [=the factory is producing three quarters of what it can produce]
The airport is not expected to reach 'capacity' [=the highest number of planes it can deal with] for several years.
The restaurant has a large seating 'capacity'. [=many people can sit in the restaurant; it has many seats]
(..) We're gonna face the challenge, or this country is storing up a heap of trouble for itself. Now, seeing as I can't convince you to work with my administration in an official capacity inside the White House, I feel damn fortunate to have someone as statesmanlike as you leading the movement. (..)2014 Selma