Universal Concrete Mixer

a device used for mixing cement, sand, gravel, or other substances to make concrete; it has a rotating drum in which the concrete is mixed.A concrete mixer (often colloquially called a cement mixer) is a device that homogeneously combines cement, aggregate such as sand or gravel, and water to form concrete. A typical concrete mixer uses a revolving drum to mix the components.There are two main types of mixers: batch and continuous. In each type there are several configurations. The efficiency of a mixer is determined by the homogeneity of the concrete produced.