But if an older tube flickers despite wiggling, remove it and carefully clean the ends with fine-grit sandpaper.
"No one can easily approach this room," he said, as a generator coughed and the room's three fluorescent tubes flickered to life.
A fluorescent tube flickered badly, hurt his eyes, decided him upon which way to go, And then he saw the other woman!
The jumpdoor's vortal tube flickered open, closed, danced and shimmered.
The fluorescent tubes on the ceiling flickered into life.
The doctor left us, and we sat in the waiting-room as the light died and the fluorescent tubes flickered on.
The two light tubes were flickering.
A long fluorescent tube flickered above us in the ceiling.
A single red fluorescent tube flickered into life, illuminating the shelf and, as it came down the shaft, the cage.
The fluorescent tube flickered like migraine.