Front side airbags were new options for 2000, as were larger wheels, four-wheel discs, and rear heat ducts.

There are high ceilings with exposed heat ducts, swirling fans and old-fashioned lights.

Wood-fired, and wide heat ducts.

"Those pipes must be heat ducts," she said.

The corn console glowed green, as did the battery-powered ho- los of his family, and the overhead heat duct.

His laughter echoed through the heat ducts of the Institute for Advanced Study.

We had a problem with freezing pipes, so we installed a heat duct to get hot air to the pipes.

I had to recharge on a heat duct and when I returned to the rooms they were empty.

Razor blades choking a heat duct.

The wire is brought to a central point, and the spread down the hallways through ceilings and heat ducts to hook up as many a dozen computers.