111.   At a news conference, he said that the affected portion of the facility had been closed and that it had its own ventilation system.

112.   Authorities warned people to stay indoors, close windows in homes and cars and shut off ventilation systems.

113.   Before the masks dropped, Lukas said, cold air came through the ventilation system.

114.   But health officials still warned residents to stay inside with their windows closed and their ventilation systems off.

115.   But she admitted the ventilation system needed to be improved.

116.   But the ruined ventilation system makes breathing difficult.

117.   Employees evacuated a movie theater and simulation ride when smoke coming from a ventilation system clouded an IMAX giant screen.

118.   Emissions are reduced through a ventilation system installed on the roof of each new boat and fans on its sides.

119.   Experts believe it was responding to the overheating of its glass house when the ventilation system broke down.

120.   Failure to properly operate the ventilation system is expected to be targeted as a prime cause of the March blaze.