pump seal leak
31Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… …
32Fire hydrant — in Charlottesville, Virginia, USA A fire hydrant (also known colloquially as a fire plug in the United States or as a johnny pump in New York City, because the firemen of the late 19th century were called Johnnies[ …
33Chevrolet Vega — 1972 Chevrolet Vega GT Hatchback Coupe Manufacturer Chevrolet Division of General Motors Also called Vega 2300 …
34Oldsmobile Diesel V6 engine — Oldsmobile developed three diesel engines for the 1980s: two V8s and a 263 CID (4.3 L) V6. It was based on the Olds 350 V8 with a 4.057 in (103.0 mm) bore and 3.385 in (86.0 mm) stroke. The history of passenger car… …
35Package testing — Military shipping container being drop tested Testing …
36Reciprocating engine — internal combustion piston engine. E Exhaust camshaft I Intake camshaft S Spark plug V Valves P Piston R Connecting rod C Crankshaft W Water jacket for coolant flow.] A reciprocating engine, also often known as a piston engine, is a heat engine… …
37Operation Sandblast — Part of Cold War (1953–1962) …
38Metal bellows — are elastic vessels that can be compressed when pressure is applied to the outside of the vessel, or extended under vacuum. When the pressure or vacuum is released, the bellows will return to its original shape (provided the material has not been …
39United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
40Hindenburg disaster — Infobox Aircraft accident name = LZ 129 Hindenburg caption = Hindenburg a few seconds after catching fire. date = May 6, 1937 type = Airship fire site = Lakehurst Naval Air Station in Manchester Township, New Jersey coords =… …
