By using instruments of gradually increasing size, the vagina is gently, and with minimum pain at each stage, taught to yield to an object of the appropriate shape.

By 1980, the way the game was played had changed dramatically due to innovative coaching tactics, with the phasing out of many of the game's kicking styles and the increasing use of handball ; whilst presentation was influenced by television.

By the 18th century an increasing number of new plants had arrived in Europe from newly discovered countries and the European colonies worldwide and a larger number of plants became available for study.

By the early twentieth century, both parties were winning increasing numbers of seats in Congress.

By 1967, however, Frei encountered increasing opposition from leftists, who charged that his reforms were inadequate, and from conservatives, who found them excessive.

By increasing intracellular calcium as described below, cardiac glycosides increase calcium-induced calcium release and thus contraction.

By the early 1970s, the picture changed: software costs were dramatically increasing, a growing software industry was competing with the hardware manufacturer's bundled software products ( free in that the cost was included in the hardware cost ), leased machines required software support while providing no revenue for software, and some customers able to better meet their own needs did not want the costs of " free " software bundled with hardware product costs.

By the end of the war, turbojet engines were replacing piston engines as the means of propulsion, further increasing their speed.

By packing opposition voters into districts they will already win ( increasing excess votes for winners ) and by cracking the remainder among districts where they are moved into the minority ( increasing votes for eventual losers ), the number of wasted votes among the opposition can be maximized.

By increasing the concentration of oxygen in the air, the effects of lower barometric pressure are countered and the level of arterial pO < sub > 2 </ sub > is restored toward normal capacity.

By the Middle Bronze Age, increasing numbers of smelted iron objects ( distinguishable from meteoric iron by the lack of nickel in the product ) appeared in the Middle East, Southeast Asia, and South Asia.

By increasing this distance, larger tires can be installed, which will increase the ground clearance, allowing it to traverse even larger and more difficult obstacles.

By 1914, experiments were being conducted with guns in increasing sizes up to 51 cm.

By the mid-18th century there was an increasing number of proposals to create a public gallery, with the art critic La Font de Saint-Yenne publishing, in 1747, a call for a display of the royal collection '.

By working sloppily, the unskilled workers may drag down the average skill of labor, thus increasing the average labor time necessary for the production of each unit commodity.

By the assumptions of increasing marginal costs, exogenous inputs ' prices, and control concentrated on a single agent or entrepreneur, the optimal decision is to equate the marginal cost and marginal revenue of production.

By 1944 US and British air forces were sending huge air fleets over occupied Europe, increasing the pressure on the Luftwaffe day and night fighter forces.

By 1905 it was known that the energy of photoelectrons increases with increasing frequency of incident light and is independent of the intensity of the light.

By overblowing, that is, increasing the pressure of breath and tension of lips, odd harmonics ( notes whose frequencies are odd-number multiples of the fundamental ), near a 12th in cylindrical tubes, may also be produced.

By adding an intercooler, increasing compression to 8. 5: 1 as well as various other little changes, Porsche was able to develop the 924 Turbo into the race car they had wanted, dubbing it the 924 Carrera GT.

By this point, however, Stephen's practice of inviting barons to court and arresting them had brought him into some disrepute and increasing distrust.

By that time, players had begun increasing the thickness of the fast sponge layer on their rackets, which made the game excessively fast and difficult to watch on television.

By July 1923, criticism of the Harding Administration had been increasing.

By the Late Republican era, increasing competition among the competitive military-political adventurers who ran Rome's nascent empire ensured that triumphs became more frequent, drawn out and extravagant, prolonged in some cases by several days of public games and entertainments.

By the 1870s, the canal's goods traffic had dwindled to just three major types of bulk goods-forest products, coal and ore, none of which required rapid transportation.

By mid-February to mid-March, the bulk of the population has arrived in the lagoons, filling them with nursing, calving and mating gray whales.

" By 1884 he was selling Moxie both in bottles and in bulk as a soda fountain syrup.

By this time his bulk had made him a liability in the field and, afterwards, realising his limitations all too clearly, he decided to stand down and surrendered both his place and the captaincy to Archie MacLaren.

By the time this maneuver was complete, the bulk of the Russian Second Army were all in the Tannenberg area, consisting of the newly-arrived XII, XV, and part of XXIII Corps.

:* By type: bulk carrier 18, cargo 34, chemical tanker 4, container 6, liquefied gas 1, passenger / cargo 4, petroleum tanker 2, refrigerated cargo 2, roll on / roll off 3

By the time the bulk of the English army had arrived, the Vikings on the west side were either slain or fleeing across the bridge.

* By type: bulk carrier 3, cargo 9, chemical tanker 2, container 1, passenger 1, passenger / cargo 3, petroleum tanker 24, refrigerated cargo 2, roll on / roll off 1

By 10 November, the remaining defenders were pinned down, and the bulk of Harmon's forces raced to join the siege of Casablanca.

By 1789 difficulties in obtaining genuinely Irish recruits had led to German and other foreigners making up the bulk of the rank and file.

By 543, fighting on land and sea, he had reconqured the bulk of the lost territory.

By the 10th century such Anglo-Norse crosses were the bulk of the production in England, as the high cross seems to have been abandoned further south, although the simple and practical Dartmoor crosses, no doubt an essential aid to navigating Dartmoor, appear to have continued to be made for centuries after.

By the time of European settlement, sclerophyll forest accounted for the vast bulk of the forested areas.

By volume filtration the particles are caught in the bulk of the filter paper.

By the mid-1950s, the bulk of the information cadaver testing could provide had been harvested.

By the end of the Convention, most prominent members of all of these groups were dead, the bulk of them victims either of the Terror or of the Thermidorian Reaction that brought the Terror to an end.

By the reign of King Stefan Batory, the hussars had replaced medieval-style lancers in the Polish army, and they now formed the bulk of the Polish cavalry.

By contrast, in bulk and solution free radical polymerization, there is a tradeoff between molecular weight and polymerization rate.

By the Treaty of Utrecht of 1713, Spain's European empire was divided: Savoy received Sicily and parts of the Duchy of Milan, while Charles VI ( the Holy Roman Emperor and Archduke of Austria ), received the Spanish Netherlands, the Kingdom of Naples, Sardinia, and the bulk of the Duchy of Milan.

By the second day of the operation, the Serb forces collapsed and the bulk of the RSK army retreated.

By 1801, Lambert's weight had increased to about 40 stone ( 560 lb ; 250 kg ), and, as his bulk meant neither he nor his horse were able to keep up with the hunt, he was forced to give up hunting.

By 1900, the bulk of the forest had sailed over the bar and the little topsoil that remained was turned to dairy farming for butter production.

By the time the New York reached the bulk of the Spanish fleet the battle was over and New York also could not catch the beaching of the Colon.

By December all four had spent the bulk of their remaining cash in purchasing plots of land.

By making use of the maritime trade routes, bulk commodity trade became possible for the Romans in the 2nd century BCE.