A vehicle tire comprises a running surface of grooves (2,3) that run circumferentially and/or laterally, between profile blocks. The surface region has a microscopic structure composed of raised sections in the form of ripples and/or projections. The base ...

The turbo-machine operates as a compressor or a turbine with a working fluid (A) consisting of gas turbine exhaust gases or steam. The compressor or turbine blades or the flow channel wall have a hydrophobic micro-roughened surface structure (47) that resi...