This shadow will become more subtle as the painting progresses, but will help form the structure of the image. (arttutor.com)
These puzzle rooms, along with special segments, where all four members combine to form structures like wheels and bridges, bring variety to what is otherwise a straightforward game. (darkstation.com)
They help form structures within the body, such as bones and teeth, and they help regulate fluid balance and the pH of the body. (petbusiness.com)