What are the traditional (backward) material counting methods on the conveyor belt?

1, knot counting method. The ancients often used it when the productivity was relatively backward. That is, with the rope as the medium, one thing is completed.

2. Chip counting method. In other words, the counting method of weights and measures is based on the lever principle, with scales as elements, such as beams, weights and hooks.

3. Scale counting method. That is, on a fixed medium, the counting method takes one object and one meter (scale) as the unit.

4. bead algorithm. The crystallization of ancient wisdom. That is, according to the formula of addition, subtraction, multiplication and division, the counting method is based on abacus.