51.   Plants in the same general category produce different configurations of wastes, since they operate in the slightly different ways.

52.   Private sector firms tend to be more efficient than public sector firms, provided both operate in Markets facing strong competition.

53.   Robots operating in dynamic environments would need to have an internal model of their world.

54.   Secondly, control through the imposition of this fiduciary duty operates in an asymmetrical fashion.

55.   Self-managed teams operate in a similar fashion to work-unit teams, but with employees assuming greatly expanded responsibilities.

56.   Several gangs were operating in the area.

57.   So the gunmen operating in the hills above Tetovo represent a minority.

58.   So... what if a computer were built to operate in a similar fashion?

59.   Space probes operate in dark, cold, remote parts of the solar system.