ring-shaped
61valve seat ring — A ring shaped insert of a harder metal than that of the cylinder head; the use of valve seat inserts dispenses with the need for lead in the fuel to act as a lubricant between the valve head and seat …
62O-ring — This article is about the mechanical seal. For other uses, see Oring. Typical O ring and application An O ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a disc… …
63Bull Ring, Birmingham — infobox shopping mall shopping mall name = Bullring caption = The interior of the Bullring location = Birmingham, England coordinates = coord|52|28|39.72|N|1|53|39.04|W|type:landmark|display=inline,title opening date = September 4, 2003 developer …
64Tagzig Olmo Lung Ring — [ Olmo Lung Ring is part of the land of Tazig . They have been conflated for economy.] is a non dual spiritual realm (plane or dimension) of the Bön tradition which resides beyond dualism. It is understood to be a timeless perfected realm where… …
65Fairy ring — For the article dedicated to the Southwest African phenomenon of fairy circles, see Fairy circle (Africa). For the Neolithic archaeological monument, see Hjaltadans. A fairy ring on a suburban lawn A fairy ring, also known as fairy circle, elf… …
66Pacific Ring of Fire — The Ring of Fire redirects here. For other uses of the term, see Ring of Fire (disambiguation). The Pacific Ring of Fire (see below) …
672nd Ring Road (Beijing) — Located in the central of Beijing, the 2nd Ring Road (pinyin: Er Huan Lu) is just a few kilometres away from the city center and is a convenient alternative road to avoid congestion there. One can divide the road into two parts: the original ring …
68Vortex ring — A vortex ring, also called a toroidal vortex, is a region of rotating fluid moving through the same or different fluid where the flow pattern takes on a doughnut shape. The movement of the fluid is about the poloidal or circular axis of the… …
69Planetary ring — Shepherd moon redirects here. For the Enya album, see Shepherd Moons. The moons Prometheus and Pandora shepherd the F ring of Saturn. A planetary ring is a ring of cosmic dust and other small particles orbiting around a planet in a flat disc… …
70Deep inguinal ring — Front of abdomen, showing surface markings for arteries and inguinal canal. (Abdominal inguinal ring labeled at lower left.) Latin annulus inguinalis profundus …
