A compulsory concrete mixer refers to a construction machine which provides a forced mixer for mixing various liquid, powder and granular components required for the creation of the concrete mixture. A compulsory concrete mixer is usually composed of a funnel-shaped space where the various liquid, powder and granular components of concrete in the central axis. It contains both an outer and inner mixing tool. The inner mixing tool is composed of a screw which combines the ingredients to make concrete together while the outer mixing tool allows the mixture to be glidingly moved along the surface that comes into contact with the concrete mixture.
