Pour the filler with a shovel.

Consistently adding components is such that water is poured into the tank first, then all the amount of cement is spilled into it that the solution is planned to be used when the solution is kneaded, and then the filler is already poured, and already with the mechanism turned on. Pour the filler with a shovel. There is nothing complicated, it is enough to calculate in advance how many shovels with a filler in one bucket, well, be guided by this when calculating the spatula of the filler thrown into a concrete mixer.