horizontal section

The biggest challenges for the rescuers were the steep vertical sections and navigating through mud and water at low temperatures in the horizontal sections.

The biggest challenges the rescuers face are the steep vertical sections and navigating through mud and water at low temperatures in the horizontal sections.

Note how the door is built: The vertical frame pieces run from the top to the bottom, while the horizontal sections fit between those verticals.

The photographs of the Elsa doll, pieced together in three horizontal sections and also sourced from images from the internet, are OK.

A horizontal section of the wood reveals the rings; a vertical section exposes the long lines of vessel elements, giving the familiar grain of the wood.