directly coated cylinder
51optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
52naval ship — Introduction the chief instrument by which a nation extends its military power onto the seas. Warships protect the movement over water of military forces to coastal areas where they may be landed and used against enemy forces; warships… …
53Oscilloscope types — This is a subdivision of the Oscilloscope article, discussing the various types and models of oscilloscopes in greater detail. Contents 1 Cathode ray oscilloscope (CRO) 1.1 Dual beam oscilloscope 2 Analog storage oscilloscope …
54Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
55Subaru EJ engine — The Subaru EJ engine is a series of automotive engines manufactured by Subaru, a division of Fuji Heavy Industries introduced mid 1989 for the 1st generation Legacy. The engine was designed by Masayuki Kodama, Takemasa Yamada and Shuji Sawafuji… …
56List of Airsoft Manufacturers — There is a great divide between airsoft companies. The majority of high quality manufacturers can be found on the internet, but have little or no street presence, except at specialty shops. Airsoft guns can easily be found at flea markets and… …
57Volkswagen Beetle — This article is about the original Volkswagen Beetle. For the automobile introduced in 1998, see Volkswagen New Beetle. Volkswagen Type 1 Manufacturer Volkswagen Also called Beetle …
58Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …
59Solar hot water — is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a fluid system to move the heat from the collector to its point of usage. The system may use electricity for pumping the fluid,… …
60Evacuation slide — An evacuation slide is an inflatable slide used to evacuate an aircraft quickly. An escape slide is required on all commercial (passenger carrying) aircraft where the door sill height is such that, in the event of an evacuation, passengers would… …
