During the storm, the volunteer rescuers set up life-lines to guide stranded hikers back to safety.

At dawn the hiking group followed the tree-lines that marked the old boundary between the estates.

The artist used slant lines to create a sense of motion in the painting.

The radiologist observed Kerley lines on the chest X-ray, indicating early interstitial pulmonary edema.

The bakery decorated the cake with delicate cream lines that swept across the top.

The bar manager inspected the beer lines before the busy weekend.

The dermatologist explained that Beau's lines on his nails were caused by a temporary interruption of growth during his illness.

Before the long trip, she inspected the brake lines for any signs of wear.

In advanced triangle geometry, Euler lines reveal deep relationships between the circumcenter, centroid, and orthocenter across different triangles.

The dermatologist explained that the unusual pigment pattern followed Blaschko's lines, indicating a mosaic skin disorder.