The Monolithic Mixer saves time by being able to scoop the materials up in seconds, versus loading others with shovels.  With a small amount of practice, and you can easily scoop up the exact amount of materials needed.

The Monolithic Mixer saves time by being able to scoop the materials up in seconds, versus loading others with shovels. With a small amount of practice, and you can easily scoop up the exact amount of materials needed. (Monolithic)