The mathematician studied the properties of real lines.

The divers secured the reef lines to the coral formations.

The retention lines on the document help to keep the pages in place.

The sailors plotted their course using rhumb-lines.

The second lines of the poem were the most memorable.

The seismic lines were used to map the subsurface geology.

I found some interesting sex lines in the book.

The baseball player hit three slash lines in the game.

The script had multiple slug lines to indicate different locations.

Squall lines can bring strong winds and heavy rain.