a valve closes with the pressure
91Thermostat — This article is about the temperature regulating device. For the French cooking oven temperature scale, see Gas Mark#Other cooking temperature scales. Honeywell s iconic The Round model T87 thermostat, one of which is in the Smithsonian …
92Injection molding — (British: moulding) is a manufacturing process for producing parts from both thermoplastic and thermosetting plastic materials. Molten plastic is injected at high pressure into a mold, which is the inverse of the product s shape. After a product… …
93Timeline of steam power — See Steam engine, Steam power during the Industrial Revolution. Steam power developed slowly over a period of several hundred years, progressing through expensive and fairly limited devices in the early 1600s, to useful pumps for mining in 1700,… …
94Solenoid — A solenoid is a three dimensional coil. In physics, the term solenoid refers to a loop of wire, often wrapped around a metallic core, which produces a magnetic field when an electric current is passed through it. Solenoids are important because… …
95Superheater — See superheating for the physics process. General arrangement of a superheater installation in a steam locomotive …
96Cox Model Engines — are used to power small model airplanes, model cars and model boats. Cox engines were in production for more than 50 years between 1945 and 2006 by L.M. Cox Manufacturing Co. Inc. who later became Cox Hobbies Inc. and then Cox Products before… …
97Cox model engine — Cox Model Engines Cox Fokker DVII Ready To Fly Control Line Model Plane …
98US Airways Flight 1549 — The downed US Airways Flight 1549 floating on the Hudson River Accident summary Date …
99Toilet — This article is about a sanitation fixture used primarily for the disposal of human excrement. For a room containing a toilet, see toilet (room). For other uses, see toilet (disambiguation) …
100steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
