Electronic files of medical patients
http://en.wikipedia.org/wiki/Wheatstone_bridge
http://en.wikipedia.org/wiki/Tissue_engineering
Encryption
http://en.wikipedia.org/wiki/Osteosynthesis
http://en.wikipedia.org/wiki/Composite_material
Connected with water system
Detect obstacles via sensors
http://en.wikipedia.org/wiki/Pegmatite
E.g. http://en.wikipedia.org/wiki/Induction_coil
Metering etc.
frequency analysis of automating processes
http://en.wikipedia.org/wiki/Liquid_Propulsion_Systems_Centre
http://en.wikipedia.org/wiki/Hydraulic_motor
http://en.wikipedia.org/wiki/Amplified_piezoelectric_actuator
Eg http://en.wikipedia.org/wiki/Conventional_landing_gear
Machine
Separating metal from the soil
