9 commercial and industrial machines for automatic dosage and discharge of loose material and liquids; pneumatic and hydraulic machines for the monitoring and control of pnueumatic conveyors of loose materials and for the monitoring and control of mixing machines for the production mixtures of liquids, loose material, or of liquid and loose material; mechanical, electrical, electronic and magnetic machines for weighing, for automatic dosage and discharge of loose material and liquids; mechanical, electrical, electronic and magnetic machines for monitoring and control of metal silos, metal containers for the storage and distributions of synthetic granules or pulverized bulk goods, electrical locks, and ventilation filters; mechanical, electrical, electronic and magnetic machines for the monitoring and control of machines for automatic dosage and discharge of loose material and liquids; mechanical, electrical, electronic and magnetic machines for the monitoring and control of dryers, coolers, ventilators, and air-conditioners for industrial use; mechanical, electrical, electronic and magnetic machines for the monitoring and control of industrial machines used for suctioning air from goods delivered in a conveyor system; mechanical, electrical, electronic and magnetic machines for the monitoring and control of air filters in machines