two upright parallel bars
41Dates of 2006 — ▪ 2007 January Keeping America competitive requires affordable energy. And here we have a serious problem. America is addicted to oil, which is often imported from unstable parts of the world. U.S. Pres. George W. Bush, in his state of the union… …
42harbours and sea works — Introduction harbour also spelled harbor any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …
43Triangle control frame — The triangle control frame (TCF or A frame) is widely used in hang gliders, powered hang gliders, and ultralight aircraft. TCF is just one of many sorts of control solutions. TCF resolves a means of using weight shifting attitude control in… …
44stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments. * * * Any musical instrument that produces sound by the… …
45Glossary of cricket terms — Cricket is a team sport played between two teams of eleven. It is known for its rich terminology.[1][2][3] Some terms are often thought to be arcane and humorous by those not familiar with the game.[4] This is a general glossary of the… …
46List of cricket terms — Cricket is a team sport played between two teams of eleven. It is known for its rich terminology. [http://content usa.cricinfo.com/ci/content/story/239756.html A glossary of cricket terms ] from CricInfo retrieved May 13 2008]… …
47iron processing — Introduction use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a… …
48Orca — Taxobox name = Orca status = LR/cd | status system = IUCN2.3 status ref = image caption = Transient Orcas near Unimak Island, eastern Aleutian Islands, Alaska image width = 250px image2 caption = Size comparison against an average human regnum =… …
49Battery (electricity) — For other uses, see Battery (disambiguation). Various cells and batteries (top left to bottom right): two AA, one D, one handheld ham radio battery, two 9 volt (PP3), two AAA, one C, one …
50skeletal system, human — ▪ anatomy Introduction the internal skeleton that serves as a framework for the body. This framework consists of many individual bones (bone) and cartilages (cartilage). There also are bands of fibrous connective tissue the ligaments (ligament)… …
