Since the late 1930s alloy steels have been used for frame and fork tubes in higher quality machines.

Since the early 1930s, the company has promoted spin-off reference works.

Since the 1930s, prices and wages had been controlled, but money had been plentiful.

Since the 1930s, the Estrada Doctrine has served as a crucial complement to these principles.

Since the 1930s, all nations have closely monitored the inflow and outflow of capital, and most economists agree that a favorable balance of trade is desirable.

Since the 1930s, Paraguayans have regarded Solano López as the nation's foremost hero.

Since the late 1930s, SF fans have organized conventions, non-profit gatherings where the fans ( some of whom are also professionals in the field ) meet to discuss SF and generally enjoy themselves.

Since the production of high-quality semiconductor materials was still decades away, Lilienfeld's solid-state amplifier ideas would not have found practical use in the 1920s and 1930s, even if such a device were built.

Since the early 1930s, the Polish government introduced a set of policies designed to Polonize all minorities ( Belarusians, Ukrainians, Jews, etc .).

Since the 1930s, many rural workers have moved to the big cities.

Since the late 1930s the monoplane has been the most common form of plane.

Since the 1930s the Hill Cumorah Pageant is held annually at the hill by The Church of Jesus Christ of Latter-day Saints and regularly attracts thousands to its performances.

Since the 1930s, however, coups d ' état have disrupted this democracy.

Since achieving stability in the early 1930s, the NFL had never fielded more than 10 teams.

Since the late 1930s it has been the most common form for a fixed wing aircraft.

Since the 1930s industrial construction of the city has begun.

Since the 1930s, the city of John Day has served as the main economic center of the county, and boasts the largest population.

Since its crystallization in the 1930s, computation has been primarily approached from two traditions: engineering, which seeks to build practical systems using computations ; and mathematics, which seeks to prove theorems about computation ( albeit already in the 1970s computing as a discipline was described as being at the intersection of mathematical, engineering, and empirical / scientific traditions ).

Since the 1930s, the population of the community has gradually declined.

Since then, the Old Regent has been painstakingly rebuilt and restored once again, including recreating historic panels in the auditorium and the original 1930s carpeting.

Since it was also miles away from the Plandome Road School, the Manhasset school district built a conveniently located Munsey Park Elementary School in the 1930s.

Since the 1930s, Calabash has been known for its distinctive style of fried seafood, which has come to be known as " Calabash Style.

Since then, the City of Etowah has ridden the waves of economic downturns and successes, such as the closing of the L & N shops in the 1930s and the recruitment of new industries, to evolve into the city that it is today.

Since the 1930s, the Baak Doi label heaquartered in Shanghai had been published under the EMI banner and since then, EMI had also been the dominant label in the cantopop market in Hong Kong until the genre's decline in the mid 1980s.

Since the 1930s, construction kits compatible with Meccano were manufactured in the Soviet Union.

Since she also has considerable technical virtuosity and a feeling for music in the romantic tradition, Miss Xydis gave her listeners a good deal of pleasure.

Since a player cannot control another player's bids, and since all bids are non-refundable, the auction involves a considerable amount of strategizing and prioritization by players.

Since 2001, Bulgaria has managed to attract considerable amounts of Foreign Direct Investment ( FDI ).

Since the mid-20th century, there has been considerable debate over how the earliest forms of life evolved and how to classify them, especially at the kingdom and domain levels and organisms that are or have been considered bacteria.

Since only one tech may be " researched " at any given time, the order in which technologies are chosen makes a considerable difference in the outcome of the game and generally reflects the player's preferred style of gameplay.

Since de Guignes linked them with the Xiongnu, who had been northern neighbours of China 300 years prior to the emergence of the Huns, considerable scholarly effort has been devoted to investigating such a connection.

Since the latter half of the 1990s considerable controversy has grown in Dutch society, about the TBS-system.

Since making this decision correctly will lead to the most long-run profit for a skilled player, players often put considerable study into what the appropriate starting hand " standards " are for the game being played.

Since then he has attracted considerable attention, especially in the French-speaking world.

Since then, there have been considerable efforts and research towards implementing ray tracing in real time speeds for a variety of purposes on stand-alone desktop configurations.

Since he was originally intended as a temporary medical backup system, not as an artificial life form, considerable strains were placed on the Doctor's program during the early parts of the journey.

Since the machine was designed to operate on large data sets, the design also dedicated considerable circuitry to I / O.

Since the early 1980s, the area has undergone considerable transformation.

Since hotel records are sparse during some of that time, it is thought that they may have spent considerable time in and around safe houses related to the al-Qaeda leader in Spain, Imad Yarkas.

Since the 1950s academic assessment of the Earl of Leicester has undergone considerable changes.

Since the tumors grow where there are nerves, they can also grow in areas that are visible, causing considerable social suffering for those affected.

Since the mid-1990s there has been a considerable warming of relations between the Communist Party and supporters of Chinese reunification as both oppose the pro-Taiwan independence bloc that was elected to executive power in Taiwan following President Lee's retirement.

Since its creation, a considerable level of commercial and residential development has built up around the Waterloo campus, notably with many offices of high-tech firms.

Since then the district has considerable grown twice: In 1932 parts of the dissolved district of Bordesholm joined the district ; and in 1970 the city of Norderstedt became part of the district.

Since 1980, Gardendale has annexed considerable amounts of land on the north, east, and west sides.

Since its incorporation in 1957, Sauk Village has undergone considerable change and expansion.

Since about 1980, there has been a considerable amount of new development in the North end of the city, with many new single-and multi-family housing developments, particularly along North Main Street.

Since Groveland is primarily a bedroom community, there is naturally considerable traffic during the commute drive time.

Since considerable academic restructuring in 2008, the college has three academic faculties:

Since then considerable effects have been made to restoring it to the open fen landscape of the 19th Century.