concrete mixer
movable or stationary machine that combines cement, aggregate such as sand or gravel, and water to form concrete
en-GB/ˈkɒŋkɹiːt ˈmɪksə/
en-US/ˈkɑnkɹit ˈmɪksɚ/
movable or stationary machine that combines cement, aggregate such as sand or gravel, and water to form concrete