There are several different modification of manual weighing systems, the simples being the single platform scale where ingredients are handled in sacks, weighted on the scale, and manually dumped into the mixer the platform scale can be a beam type or dial type. Most of the scales being used today are equipped with a digital readout from a load cell allowing for faster and more accurate weighing. Another manual weighting device is the weight buggy (figure 9-1). The weigh buggy is a scale hopper mounted on or suspended from the beams of the scale system buggies are normally equipped with a manually operated locking brake. Accuracy, size, ease of operation, and ability to get close enough to discharge the contents into the mixer are considerations when deciding on a particular unit.