We park them there at the end of the summer season, pull the batteries, and put duct tape on the exhaust stacks.

The figure stepped back; a puff of smoke blasted out from the exhaust stacks.

It poised there and then a moment later, a similar smoke puff left the exhaust stacks.

G-8 strained to see the fire darting from their exhaust stacks.

G-8 did not answer; he was watching intently the glowing exhaust stacks of the bombers as they rumbled on.

Then they began circling and watching for spurts of flame from exhaust stacks.

They spotted no plane and no fiery exhaust stacks in the dark of night.

New ejector exhaust stacks were fitted for a small boost in speed.

Less than two minutes had crawled by when, in the darkness, they made out the glow of the Fokker's exhaust stacks below.

G-8 watched the flares from Nippy's exhaust stacks until they were out of sight.