A mortar mixer is a machine designed to combine materials like cement, sand, and water to create mortar, which is used in construction for binding bricks and stones. These mixers come in various sizes, from small portable units to larger stationary models, making them suitable for both small DIY projects and large construction sites. Mortar mixers typically feature a rotating drum that mixes the ingredients thoroughly. Some models are powered by electricity, while others use gasoline or diesel engines. Using a mortar mixer ensures a consistent mixture, improving the quality and durability of the final product in building applications.