Abstract: The present invention relates to a system for monitoring at least one characteristic of a railroad (10), comprising a central computing unit (22) which is adapted to retrieve and process data from multiple data sources (19, 20, 24, 26) and to provide output data representing the at least one characteristic of the railroad (10), and at least two data sources (19, 20, 24, 26) which are adapted to deliver data to the central computing unit over respective data links, wherein at least one of the two data sources (19) comprises at least one sensor unit (16a-16c) located in the vicinity of a section of the railroad (10) to be monitored. According to the invention, the at least two data sources (19, 20, 24, 26) are provided such that said data delivered by them refers to different physical properties of the railroad (10) and/or environmental properties.

Abstract: A method of attaching functional components to a roof element of a vehicle, including applying a curable material in a low-viscosity state which is molded in sections by means of a first mold surface, wherein a second mold surface is used which serves for shaping further sections of the curable material, an opening remaining accessible towards the environment through which the curable material can be introduced.

Abstract: A method of attaching functional components to a roof element of a vehicle, including applying a curable material in a low-viscosity state which is molded in sections by means of a first mold surface, wherein a second mold surface is used which serves for shaping further sections of the curable material, an opening remaining accessible towards the environment through which the curable material can be introduced.