7 Lubricating machines, namely, central lubricating installations, mainly consisting of lubricant containers, lubricant conveyors, including pumps, distribution devices, valves, chokes and conduits, namely for motor vehicles, construction equipment, agricultural machines, machines for woodworking and wood processing, for wind power installations and industrial applications, and for the mining industry and the food technology industry; grease boxes being parts of machines; lubricating pumps; lubricant spraying installations, namely, machines for releasing lubricants with the admixture of air; lubricating installations for motor vehicles being parts of motor vehicles, namely, central lubricating installations, mainly consisting of lubricant containers, lubricant conveyors, including pumps, distribution devices, valves, chokes and conduits; lubricating installations for rail vehicles, namely, central lubrication units, consisting primarily of lubricant containers, lubricant conveyors, pumps, distributors, flow restrictors and conduit lines; lubricant spraying installations for rail vehicles, namely, machines for releasing lubricants with the admixture of air; lubricant spraying installations being parts for motor vehicles, namely machines for releasing lubricants with the admixture of air