At present, both the familiar cast acrylic and the newer extruded sheets are being used by sign manufacturers, with extruded now representing an estimated 10% of the total.

At the present time we do not know by what biochemical mechanism TSH acts on the thyroid, but for bio-assay of the hormone there are a number of properties by which its activity may be estimated, including release of iodine from the thyroid, increase in thyroid weight, increase in mean height of the follicular cells and increase in the thyroidal uptake of Af.

At the end of 2006, there were an estimated 150, 000 internally displaced people.

At the present time, approximately one third < ref > of human generated emissions are estimated to be entering the ocean.

At the 2001 Daytona 500 at Daytona International Speedway on February 18, 2001, Earnhardt was involved in a car accident after the final lap, in which Earnhardt's car was pushed into the wall nose-first by Ken Schrader's car at an estimated speed of.

At the air base near Tapa, site of the worst damage, officials estimated that six square kilometers of land were covered by a layer of fuel ; 11 square kilometers of underground water were said to be contaminated.

At first a number of leading Esperantists put their support behind the Ido project, but the movement stagnated and declined, first with the accidental death of one of its main proponents and later as people proposed further changes, and the number of current speakers is estimated at between 250 and 5000.

At the closure of the UK Film Council on 31 March 2011, The Guardian reported that " The UKFC's entire annual budget was a reported £ 3m, while the cost of closing it down and restructuring is estimated to have been almost four times that amount.

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

At the end of 2003, GCHQ moved to a new circular HQ ( popularly known as ' the Doughnut '): at the time, it was the second-largest public-sector building project in Europe, with an estimated cost of £ 337 million.

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 the outbreak of the war, Iraq had amassed an estimated 35 billion in foreign exchange reserves.

At the time of his death in 1848, Astor was the wealthiest person in the United States, leaving an estate estimated to be worth at least $ 20 million.

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.

At their peak, 350, 000 Aztec presided over a wealthy tribute-empire comprising 10 million people, almost half of Mexico's estimated population of 24 million.

At the same time, plans were made for a new South Stand, which was estimated to cost £ 60, 000, however the tender price came out at GB £ 90, 000, a compromise was made, and it was decided to build a new upper South Stand costing £ 64, 000 instead, with the Cardiff Athletic Club contributing £ 15, 000 and the remainder coming from the WRU.

At the start of the project, the total cost was estimated at £ 2. 25M, although by time it was finished in 1984, it had risen by nearly four times that amount.

At the time of the last official census in Burma, 31 March 1983, the population was 35, 442, 972., this was estimated by the CIA World Factbook to have increased to 54, 584, 650 ; however, many other estimates put this much higher, at around 60 million: China's People Daily reported that Burma had a census in 2007, and at the end of 2009 has 59. 2 million people, and growing at 2 % annually, with exception for Cyclone Nargis in 2008, and Britain-based human rights agencies place the population as high as 70 million.

At the dawn of the 13th century the population is estimated at around 16, 000 – 20, 000.

At present 324 km of motorways are under construction with an estimated timetable in 2013-2016.

At its estimated distance, this yields a physical size of about 74 times the radius of the Sun.

At Rigel's estimated distance, Rigel B is separated from its primary by over 2200 AU ( 12 lightdays ); not surprisingly, there has been no sign of orbital movement, though they share the same proper motion.

At long, It is the second longest of the Finger Lakes and has the largest volume, estimated at 4. 2 trillion US gallons ( 16 km³ ), roughly half of the water in all the Finger Lakes.

At nearby Laetoli the oldest known hominid footprints, the Laetoli footprints, were discovered by Mary Leakey in 1978, and estimated to be about 3. 6 million years old and probably made by Australopithecus afarensis.

At the time of independence, Uruguay had an estimated population of just under 75, 000.

At her door, two or three hours later, Mary Jane whispered, `` Everyone is asleep ''.

At General Power's seat in the balcony there is also a gold phone.

At the same time, he is plainly sympathetic, clearly friendly.

At the same time, because the personal code of the detective coincides with the legal dictates of his society, because he likes to catch criminals, he is in middle class eyes a virtuous man.

At the national and international level, then, what is the highest kind of morality for the private citizen represents an instance of political immorality.

At that point we reach the `` closed '' historical situation: the situation in which man is no longer free to return to a status quo ante.

At the same time, I am aware that my recoil could be interpreted by readers of the tea leaves at the bottom of my psyche as an incestuous sign, since theirs is a science of paradox: if one hates, they say it is because one loves ; ;

At this point a working definition of idea is in order, although our first definition will have to be qualified somewhat as we proceed.

At Sounion there is a group of beautiful columns, the ruins of a temple to Poseidon, of particular interest at that time, as active reconstruction was in progress.

At his press conference Mr. Kennedy said, `` All we want in Laos is peace not war a truly neutral government not a cold war pawn ''.

At the head of the CDC is an unorthodox, 39-year-old amateur politico, Thomas B. Carvey Jr., whose normal profession is helping develop Hughes Aircraft's moon missiles.

At the left is a pair of dressy straw pumps in a light, but crisp texture.

At right is a casual style in a crushed unlined white leather.

At a rate of $3.22 an hour he is now earning approximately $580 a month.

Having hedged its bets in this way, PHS apparently decided it would be possible to make some sort of determination after all: `` At present radiation levels, and even at somewhat higher levels, the additional risk is slight and very few people will be affected ''.

) At this late date, it is impossible for St. Michael's College to find a suitable replacement for me.

At the same time, his voice betrayed uncertainty about their being here, and conveyed an appeal to whatever is reasonable, peace-loving, and dependable in everybody.

`` At least there is room here '', she said.

At the entrance side of the shelter, each roof beam is rested on the inside 4 inches of the block wall.

At that time consideration will be given to whether in the light of the United States supplies of rice available for Title 1, disposal, India's production, consumption and stocks of food grains, other imports from the United States and countries friendly to the United States, India's storage capacity, and other related factors, any increase would be possible in the portion of the total rice programmed which is currently planned for procurement during the first year.

At intervals an alumni directory is issued.

At the recent horse show convention in New York it was stated that this Intermediate Judging Class is meeting with great success and will be a great help to future judges in the horse world.

At the present time the research team which pioneered this new technique is primarily interested in advancing and perfecting it.