step height
21Wheelchair ramp — A wheelchair ramp is an inclined plane installed in addition to or instead of stairs. Ramps permit wheelchair users, as well as people pushing strollers, carts, or other wheeled objects, to more easily access a building. Wheelchair ramps come in… …
22Crystal growth — Crystallization Concepts …
23Rise time — In electronics, when describing a voltage or current step function, rise time (also risetime) refers to the time required for a signal to change from a specified low value to a specified high value. Typically, these values are 10% and 90% of the… …
24Transient response — Damping oscillation is a typical transient response, where the output value oscillates until finally reaching a steady state value. The picture shows an example of an underdamped response. In electrical engineering and mechanical engineering, a… …
25London Underground — Infobox Public transit name = London Underground The Tube |thumb|Official logo. imagesize= 150px locale = Greater London, Chiltern, Epping Forest, Three Rivers and Watford transit type = Rapid transit began operation = 1863 system length = 400 km …
26NZR ADK class — NZ ADK and ADB classes A refurbished ADK set Manufacturer ADK: Commonwealth Engineering, New South Wales, Australia ADB: Westrail Entered …
27Normal pressure hydrocephalus — Classification and external resources ICD 10 G91.2 ICD 9 331.9 …
28Leyland Titan (B15) — The Leyland Titan was a model of double decker bus produced by the Leyland Truck Bus division of British Leyland from 1977 until 1984, almost exclusively for London Transport.DevelopmentThe Titan was first conceptualised in 1973 as project B15,… …
29NZR ADL class — NZ ADL and ADC classes A refurbished ADL class DMU at Britomart Transport Centre. In service Australia: 1982–1993, New Zealand: 1993 to date Manufacturer Goninan …
30Dortmund-Kruckel station — Abandoned station building and the level crossing giving access to the platforms …
