A machine manufacture, process, composition and product produced thereby. It can be used for reducing multipath reception. A received data point may be obtained from a file save request. The flexible retaining clip and guides defining a snap-fit connection that is secure and easy to use. When a substrate is inserted into the load lock chamber from the factory interface, the environment may need to be evacuated. Moreover, the invention relates to a vehicle, in particular to a vehicle without its own drive, and to a manoeuvring drive system for the latter.