At the peak of the arch, tip the head back and bend the knees in an effort to touch toes to head.

At 100 Amp the 360 cycle ripple was less than 0.5 V ( peak to peak ) with a resistive load.

At the peak of her fame, fans looking for images of Kournikova made her name one of the most common search strings on Google.

At the peak of its efficiency in the early 16th century, the Venetian Arsenal employed some 16, 000 people who apparently were able to produce nearly one ship each day, and could fit out, arm, and provision a newly-built galley with standardized parts on an assembly-line basis not seen again until the Industrial Revolution.

At its peak, the Apollo program employed 400, 000 people and required the support of over 20, 000 industrial firms and universities.

At its peak, the Electron was the third best selling micro in the United Kingdom, and total lifetime game sales for the Electron exceeded those of the BBC Micro.

At its peak, Li ' l Abner was read daily by 70 million Americans ( the U. S. population at the time was only 180 million ), with adult readers far outnumbering children.

At its peak in the 16th through the 18th centuries, the Ottoman Empire had wrested control of the entire Black Sea area, which was for the time an " Ottoman lake ", on which Russian warships were prohibited.

At its peak, the Getan kingdom reportedly was able to muster 200, 000 warriors.

At the peak of the Cretaceous transgression, one-third of Earth's present land area was submerged.

At its peak, roughly corresponding to the Middle Ages, it was the richest and largest European city, exerting a powerful cultural pull and dominating economic life in the Mediterranean.

At the time the fourth service was being considered, a movement in Wales lobbied for the creation of dedicated service that would air Welsh-language programmes, then only catered for at ' off peak ' times on BBC Wales and HTV.

At the 23rd Congress ( 29 March – 8 April 1966 ) the survival ratio was 79. 4 percent, it decreased to 76. 5 percent at the 24th Congress ( 30 March – 9 April 1971 ), increased to 83. 4 percent at the 25th Congress ( 24 February – 5 March 1976 ) and at its peak, at the 26th Congress ( 23 February – 3 March 1981 ), it reached 89 percent.

At its peak, DEC was the second largest employer in Massachusetts, second only to the state government.

At their peak in the early ' 60s, the Brubeck Quartet was releasing as many as four albums a year.

At its peak of popularity eugenics was supported by a wide variety of prominent people, including Winston Churchill, Margaret Sanger, Marie Stopes, H. G. Wells, Theodore Roosevelt, George Bernard Shaw, John Maynard Keynes, John Harvey Kellogg, Linus Pauling and Sidney Webb.

At the peak of Bruce Springsteen's megastardom following the Born in the U. S. A. album and Born in the U. S. A. Tour in the mid-1980s, there were no less than five Springsteen fanzines circulating at the same time in the UK alone, and many others elsewhere.

At the peak of the terror, the slightest hint of counter-revolutionary thoughts or activities ( or, as in the case of Jacques Hébert, revolutionary zeal exceeding that of those in power ) could place one under suspicion, and trials did not always proceed according to contemporary standards of due process.

At their peak, the PACs are estimated to have included 1 million conscripts.

At the peak of the scene in 1983, The Face's Paul Rambali recalled that there were " several strong gothic characteristics " in the music of Joy Division.

At its peak during the reign of Mursili II, the Hittite empire stretched from Arzawa in the west to Mitanni in the east, many of the Kaskian territories to the north including Hayasa-Azzi in the far north-east, and on south into Canaan approximately as far as the southern border of Lebanon, incorporating all of these territories within its domain.

At peak, Haiti's total external debt was estimated at 1. 8 billion dollars, including half a billion dollars to the Inter-American Development Bank, Haiti's largest creditor.

At its peak, Hoover's American Relief Administration | ARA fed 10. 5 million people daily.

At the peak of the hysteria, some hospitals offered free X-rays of children's Halloween hauls in order to find evidence of tampering.

: At that time, one shekel's worth of oil was only one-half quart,

At least 10 – 20 high power ( 1000 × oil immersion ) fields are counted and an average determined.

At least eight multinational oil companies have participated in the exploration of the peninsula and its offshore waters.

At the age of 75, alone and in mental and physical despair, he completed the work as one of his 14 Black Paintings, all of which were executed in oil directly onto the plaster walls of his house.

At first, Kier simply dumped the useless oil into the nearby Pennsylvania Main Line Canal, but later he began experimenting with several distillates of the crude oil, along with a chemist from eastern Pennsylvania.

At the end of December 2005, authorities estimated that in 2006, the oil profits would be 47 billion ouguiyas ( about US $ 180 million ) and represent a quarter of the state budget, according to RFI.

* 1908 – At Masjed Soleyman ( مسجد سليمان ) in southwest Persia, the first major commercial oil strike in the Middle East is made.

At the time, Ghana owed Nigeria about US $ 150 million for crude oil supplies and depended on Nigeria for about 90 percent of its petroleum needs.

At nearby Valdez, ( also in Alaska ), the U. S. Coast Guard ordered all tankers filling up with oil to head out to sea.

At the center of this strategy was Iraq's oil.

At one time, there were press junkets, sponsored by the oil company Roxxon.

At present, despite possessing significant oil and gas resources and a considerable amount of agriculturally productive land, Yemen remains one of the poorest of the world ’ s low-income countries ; more than 45 percent of the population lives in poverty.

* May 26 – At Masjid-al-Salaman in southwest Persia, the first major commercial oil discovery in the Middle East is made.

At the same time, Elizabeth was courted by James Stuart, Albert's equerry, until he left the prince's service for a better-paid job in the American oil business.

At the same time that he was carrying on his war, Zaharoff was also involved in two more significant financial ventures in October 1920, he became involved in the incorporation of a company that was a predecessor to oil giant, British Petroleum.

At the Races, 1877 – 1880, oil on canvas, by Edgar Degas, Musée d ' Orsay, Paris.

Pablo Picasso's 1905 oil painting " At the Lapin Agile " helped to make this cabaret world famous.

At an impasse over his oil paintings, in 1915 Hopper turned to etching, producing about 70 works, many of urban scenes of both Paris and New York.

" At what is now known as Oil Creek, Butler County resident William Smith and Edwin Drake first proved that oil could be tapped from underground for consistent supply.

At Maecenas ' Reception, oil, Stepan Bakalovich, 1890.

At the turn of the century, the town started experiencing another surge in oil exploration activity.

At Steele City, the Athabasca oil sands pipeline originating at Hardisty, Alberta will head east to Wood River, Illinois and south to Cushing, Oklahoma.

At one time, there were also natural gas and oil deposits in the area.