valve push tube
81Pipeline transport — An elevated section of the Alaska Pipeline …
82Autococker — The Autococker, also known as the AutoCocker, or Cocker, is a closed bolt semiautomatic paintball marker manufactured by Worr Game Products (WGP). It was one of the first paintball markers to be designed specifically for the sport, and has long… …
83Lego pneumatics — is a variety of Lego bricks which utilise air pressure and specialised components to perform various actions utilising the principles of pneumatics. History The LEGO pneumatics components were first introduced as part of the LEGO Technic range in …
84The David Berning Company — Established in 1974, The David Berning Company manufactures tube audio amplifiers utilizing the patented[1] ZOTL Impedance Conversion Technology that properly matches high impedance vacuum tubes to the low impedance realm of speakers without the… …
85Fountain pen — A fountain pen is a nib pen that, unlike its predecessor the dip pen, contains an internal reservoir of water based liquid ink. From the reservoir, the ink is drawn through a feed to the nib and then to the paper via a combination of gravity and… …
86Lotus Seven — Infobox Automobile name = Lotus Seven aka = Lotus 7 manufacturer = Lotus Cars parent company = production = 1957–1972 predecessor = Lotus 6 successor = Caterham 7 class = Sports car platform = Series 1 Series 2 Series 3 Series 4 layout = body… …
87Atrial septal defect — PFO redirects here. For the airport, see Paphos International Airport. Atrial septal defect Classification and external resources Heart of human embryo of about thirty five days ICD 10 …
88Honda CX series — Infobox Motorcycle name = CX series aka = manufacturer = Honda parent company = production = 1978–1983 predecessor = successor = GL500 Silverwing, ST series (influenced) class = engine = 500–673 cc water cooled longitudinal OHV 80° V twin, 4… …
89Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the …
90petroleum production — Introduction recovery of crude oil and, often, associated natural gas from the Earth. petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and …
