A building can only produce as much net rent as its market will allow.

Generally speaking, he said, the more net income the building produces, the higher its assessment.

Some buildings assemble vehicles and produce soldiers and others provide defense.

"We have to balance the fact that these buildings just cannot produce and perform today."

Although the buildings produced their own light, they were built close together, and the narrow spaces between them were in deep shadow.

Some buildings have gaping holes in them, clearly produced by tank shells.

The 700-foot-high building would cost $300 million and produce over a million square feet of commercial space.

These buildings produce resources, but must be manned to do so.

This is because, recently, some buildings immediately produce a greater percentage return than it costs the buyer to borrow.

Players also control buildings, where units can be repaired, and sometimes, produced.