Installations for welding plastics; machines for welding plastics; welding installations; welding machines; machines for processing and welding plastics; lubricating apparatuses; lubricating devices; central lubricating installations, in particular for machines; minimum quantity lubricating systems; minimum quantity lubricating installations; stationary and mobile lubricating systems, in particular minimum quantity lubricating systems; dosing technology; dosing installations; automatic dosing machines; dosing valves [parts of machines]; dosing pumps; digital electrohydraulic dosing valves; 3D printers; packing machines; electrical welding devices for welding plastic packaging; electrical welding devices; machines for the textile industry; machines for processing plastics; riveting machines; riveting machines [electric tools]; power-operated riveting machines; sewing machines; sewing machine installations; electrical sewing machines; servomotors for sewing machines; robot-controlled sewing machines for industrial purposes; robots [machines]; robots for machine tools; robot-controlled welding machines; machines for processing plastics; packaging machines; robot-controlled packaging machines; robotic arms for industrial purposes.