9 elapsed time indicators, namely, timers, time recording apparatus; electric or electronic sensors, in particular oil temperature sensors, oil analysis sensors, in particular for determining the temperature, viscosity, conductance, permittivity; electronic apparatus and equipment for the recording, processing and transmission of data, in particular sensor data, namely, apparatus for recording, processing and transmission of data; electronic apparatus and equipment for analysing the status and operating data of machines and parts of machines, in particular for gear boxes, brakes, winches, drives, hydrostatic bearings, rotary tables, namely, sensors for monitoring that status of industrial machines for maintenance and apparatus for the recording, processing and transmission of sensor data; electronic apparatus and equipment for monitoring the status and operating data of machines and parts of machines, in particular for gear boxes, brakes, winches, drives, hydrostatic bearings, rotary tables namely, sensors for monitoring that status of industrial machines for maintenance and apparatus for the recording, processing and transmission of sensor data; electronic apparatus and equipment for calculating the remaining lifetime of machines and parts of machines, in particular for gear boxes, brakes, winches, drives, hydrostatic bearings, rotary tables namely, sensors for monitoring that status of industrial machines for maintenance and apparatus for the recording, processing and transmission of sensor data; electronic apparatus and equipment for the detection and inspection of faults in machinery namely, sensors for monitoring that status of industrial machines for maintenance and apparatus for the recording, processing and transmission of sensor data; recorded software for recording and analysing the status and operating data of machines and parts of machines, in particular gear statuses, oil statuses, brake statuses, load data, oil temperatures, ferromagnetic foreign particles in oil, relative humidity of oil, oil permittivity, brake wear; recorded software for monitoring the status and operating data of machines and parts of machines, in particular gear statuses, oil statuses, brake statuses, load data, oil temperatures, ferromagnetic foreign particles in oil, relative humidity of oil, oil permittivity, brake wear; recorded software for calculating the remaining lifetime of machines and machine parts, in particular for gear boxes, brakes, winches, drives, hydrostatic bearings, rotary tables; monitoring apparatus and equipment, in particular for detecting water inflows in technical components, monitoring of misuse; recorded software for monitoring the status and operating data of technical components, in particular for detecting water inflows, monitoring of misuse; oil quality measurement, namely, ferromagnetic foreign particle counters; electronic oil testing apparatus, namely, ferromagnetic foreign particle counters; sensors, in particular for load data recording, distance sensors, vibration sensors in the nature of sensors for measuring load data, distance and vibration, not for medical use; electronic apparatus and equipment for analysing, in particular gear statuses, oil statuses, brake statuses, load data, oil temperatures, ferromagnetic foreign particles in oil, relative humidity of oil, oil permittivity, brake wear, namely, computer hardware and recorded software for processing gear statuses, oil statuses, brake statuses, load data, oil temperatures, ferromagnetic foreign particles in oil, relative humidity of oil, oil permittivity, brake wear; electronic apparatus and equipment for monitoring, in particular gear statuses, oil statuses, brake statuses, load data, oil temperatures, ferromagnetic foreign particles in oil, relative humidity of oil, oil permittivity, brake wear, namely, computer hardware and recorded software for monitoring gear statuses, oil statuses, brake statuses, load data, oil temperatures, ferromagnetic foreign particles in oil, relative humidity of oil, oil permittivity, brake wear