The lower line is created by using the same tool used on the upper lid.
He could see the low line of trenches but for a short distance.
The vehicle broke through the three lower lines of wire.
They could see nothing but the low, dark line.
"Come," she said, and began to walk towards a low line of hills.
And then suddenly it was gone, lost to view behind the low line of rocks.
The action can be done from high to low line or vice versa.
Similar operations with the lower line would return the switch to its original position.
Three miles or more to our starboard is a low dim line.
Far to the east a low blue line lay on the horizon.