____ are available in sizes ranging from rectangular units for small residential walls to large, multi-piece units suitable for high walls and large retaining walls, like those used for highway construction.

Question

Quizplus · Accepted Answer

Precast concrete retaining wall units are specifically designed for constructing high walls and large retaining walls, including those used in highway construction. They come in various sizes, including large, multi-piece units suitable for extensive projects, making them the correct choice for this application.

____ Are Available in Sizes Ranging from Rectangular Units for Small