Concrete
Facts

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The most accurate system possible, for data regarding the weight of materials introduced into the drum of an SLM, is transducers positioned on arm lifting jacks. The accuracy of weighing systems is in fact a value (%) proportional to the maximum weight to be measured and, therefore, weighing the contents of the shovel instead of the contents of the entire drum, ensures fewer measurement errors. In addition, according to the theory of errors, with the same level of accuracy of the weighing system, individual and repeated weighing gives a higher level of accuracy than a single overall weighing.