First of all, this is a concrete mixer, it would seem that it would be possible to mix the solution with a shovel, and after all, they interfere and not so rarely, but in the summer, in the heat you can slightly not mix with your hands, get a little tired, that is, to allow hack, and an electric concrete mixer will make a solution of the same one according to the technology And he will exclude the negative “human factor”, moreover, after a ton of the solution is kneaded, the worker will no longer be up to repair, not up to the quality of the repair and not up to modern repair technologies, he will only think about physical rest, and not about the quality.
