1.  On the white-painted wall of the lobby were several outsize representations of lighted cigarettes with a diagonal red line drawn through them.

2.  The red line on the thermometer on the wall of Caxton House crept up with agonizing slowness.

3.  The red lines on the map represent railways.

4.  The teacher put a red line through the first sentence.

5.  Although he was making satisfactory progress toward a degree in sociology, he was close to the red line of falling hopelessly behind.

6.  An electronic probe measuring the strength of the gas sent a steady, thin red line across a computer screen.

7.  And the wind would always be at his back and the red line always come up to meet him?

8.  And now, when every day brings new violence, new red lines crossed and taboos violated, the focus is on today.

9.  And the possibility of eliminating the center red line as an offsides barrier to the forward pass makes sense to many.

10.  Another has red wavy lines printed on a gold background.