An curved arrow pointing right. Most people think that the walls alongside highways, often made of concrete, brick, or wood, are for crash safety or privacy. But those walls were actually ...

curved designs are more difficult and expensive to achieve with poured retaining walls. For example, whereas you can stack CMUs to create a radius wall, doing so with cast-in-place concrete ...

An curved arrow pointing right. This versatile concrete machine makes curbs, gutters, sidewalks, and barrier walls. Following is a transcript of the video. This machine perfectly pours concrete.