Modern playgrounds often have recreational equipment such as the seesaw, merry-go-round, swingset, slide, jungle gym, chin-up bars, sandbox, spring rider, monkey bars, overhead ladder, trapeze rings, playhouses, and mazes, many of which help children develop physical coordination, strength, and flexibility, as well as providing recreation and enjoyment.

Modern water quality laws generally specify protection of fisheries and recreational use and require, as a minimum, retention of current quality standards.

Modern recreational toboggans are typically manufactured from wood, aluminum or plastic.

The easiest dance company, Beginner Dance, is mainly to help students choreograph their own creations, learn the capabilities of their bodies, and learn dance as an art form ( Modern, ballet, jazz ), as a cultural form ( African, tap, Dances of Mexico ), and as a social / recreational form ( swing, social, and folk dance ).

Modern onshore rigs are capable of handling ~ 90 ft stands ( often referred to as a triple ).

: The American style is used by most American newspapers, publishing houses and style guides in the United States and Canada ( including the Modern Language Association's MLA Style Manual, the American Psychological Association's APA Publication Manual, the University of Chicago's The Chicago Manual of Style, the American Institute of Physics's AIP Style Manual, the American Medical Association's AMA Manual of Style, the American Political Science Association's APSA Style Manual, the Associated Press ' The AP Guide to Punctuation and the Canadian Public Works ' The Canadian Style ).

Modern advertising was created with the innovative techniques introduced with tobacco advertising in the 1920s, most significantly with the campaigns of Edward Bernays, which is often considered the founder of modern, Madison Avenue advertising.

Modern cymbals consist of several types of bronze, the most common being B20 bronze, which is roughly 20 % tin, 80 % copper, with traces of silver.

Constantine, son of Áed ( Medieval Gaelic: Constantín mac Áeda ; Modern Gaelic: Còiseam mac Aoidh, known in most modern regnal lists as Constantine II ; before 879 – 952 ) was an early King of Scotland, known then by the Gaelic name Alba.

Modern calculators are more portable than most computers, though most PDAs or mobile phones are comparable in size to handheld calculators and may soon replace them.

This conflation of case in Middle and Modern English has led most modern grammarians to discard the " accusative " and " dative " labels as obsolete, often using the term " objective " for oblique.

Modern languages usually come with standard libraries that implement the most common data structures.

Domnall mac Ailpín ( Modern Gaelic: Dòmhnall mac Ailpein, anglicised sometimes as Donald MacAlpin, and known in most modern regnal lists as Donald I ); ( 812 – 13 April 862 ) was king of the Picts from 858 to 862.

Samarrai, however, also advises to handle this theory with care, as Medieval and Early Modern Muslim scribes often used etymologically " fanciful roots " in order claim the most outlandish things to be of Arabian or Muslim origin.

Fiorello H. LaGuardia and the Making of Modern New York ( 1989 ) the most detailed standard scholarly biography

Among modern languages, cases still feature prominently in most of the Balto-Slavic languages, with most having six to eight cases, as well as Icelandic, German and Modern Greek, which have four.

In the later Middle Ages, destructive Mongol invasions from the East, and the loss of population in the Black Death, greatly weakened the traditional centre of the Islamic world, stretching from Persia to Egypt, and the Ottoman Empire was able to conquer most Arabic-speaking areas, creating an Islamic world power again, although one that was unable to master the challenges of the Early Modern period.

Modern horseshoes are most commonly made of steel and nailed into the hoof wall.

Due to his literary style and the thoroughness of his research — which seemingly included studying Roman imperial archives and heavily relying on Thucydides — and his apparent rigor — for he tended not to support any character or subject, taking an impartial point of view — he was by far the most read and admired historian during the Middle Ages, the Renaissance and the early Modern Era.

However, most Biblical Hebrew constructions are still permissible in Modern Hebrew in formal, literary, archaic or poetic style.

During the Middle Ages and the Early Modern Period, Flanders was characterised by the presence of large urban centres (...) at the beginning of the nineteenth century this region ( Flanders ), with an urbanisation degree of more than 30 per cent, remained one of the most urbanised in the world.

Modern liberalism has its roots in the Age of Enlightenment and rejects many foundational assumptions that dominated most earlier theories of government, such as the Divine Right of Kings, hereditary status, and established religion.

These four are all roshei yeshiva ( i. e., rabbinic leaders ) at the Rabbi Isaac Elchanan Theological Seminary at Yeshiva University, the largest and most influential Modern Orthodox rabbinic program in America.

In the 1940s Lawrence was given his first major solo exhibition at the Museum of Modern Art in New York City, and became the most celebrated African American painter in the country.

Cináed mac Ailpín ( Modern Gaelic: Coinneach mac Ailpein ), commonly Anglicised as Kenneth MacAlpin and known in most modern regnal lists as Kenneth I ( 810-13 February 858 ) was king of the Picts and, according to national myth, first king of Scots, earning him the posthumous nickname of An Ferbasach, " The Conqueror ".

Modern Islamic libraries for the most part do not hold these antique books ; many were lost, destroyed by Mongols, or removed to European libraries and museums during the colonial period.

Call of Duty: Modern Warfare 3 has a level named Mind the Gap where most of the level takes place between the dockyards and Westminster while the player and a team of SAS attempt to take down cargo being shipped using London Underground.

Modern interest in the monster was sparked by a sighting on 22 July 1933, when George Spicer and his wife saw ' a most extraordinary form of animal ' cross the road in front of their car.

Modern critics often fault Alcott for not being able to financially support his family.

Modern coastal artillery ( for example, Russia's " Bereg " system ) is often self propelled, ( allowing it to avoid counter-battery fire ) and fully integrated, meaning that each battery has all of the support systems that it requires ( maintenance, targeting radar, etc.

Modern beadwork is often used as a creative hobby to create jewelry, purses, coasters, and dozens of other crafts.

Modern boomerangs used for sport are often made from carbon fibre-reinforced plastics, thin aircraft plywood, or other high-tech materials.

Modern biotechnology is often associated with the use of genetically altered microorganisms such as E. coli or yeast for the production of substances like synthetic insulin or antibiotics.

It is because of these and other contributions that Antoine Lavoisier is often celebrated as the " Father of Modern Chemistry ".

Some Modern Orthodox leaders cooperate and work with the Conservative movement, while haredi (" Ultra-Orthodox ") Jews often eschew formal contact with Conservative Judaism, or at least its rabbinate.

Modern conservative parties often define themselves by their opposition to liberal or labour parties.

Modern citizenship is much more passive ; action is delegated to others ; citizenship is often a constraint on acting, not an impetus to act.

Modern citizenship has often been looked at as two competing underlying ideas:

Modern crossbow sights often use similar technology to modern firearm sights, such red dot sights and telescopic sights.

Modern single-panel gag cartoons, found in magazines, generally consist of a single drawing with a typeset caption positioned beneath or ( much less often ) a speech balloon.

Modern Roman Catholic churches often have a crucifix above the altar on the wall ; for the celebration of Mass, the Roman Rite of the Catholic Church requires that, " on or close to the altar there is to be a cross with a figure of Christ crucified ".

Modern cable systems are large, with a single network and headend often serving an entire metropolitan area or county.

Modern Donegal fiddle music is often played in concerts and recorded on albums.

Modern western mysticism and new age philosophy often use the term ' the Divine ' as a noun in this latter sense: a non-specific principle and / or being that gives rise to the world, and acts as the source or wellspring of life.

In Modern English, an indirect object is often expressed with a prepositional phrase of " to " or " for ".

Modern school textbooks often define separate figures called lines ( infinite ), rays ( semi-infinite ), and line segments ( of finite length ).

Modern readers are more often introduced to Orwell as a novelist, particularly through his enormously successful titles Animal Farm and Nineteen Eighty-Four.

Modern graffiti art often incorporates additional arts and technologies.

Modern harp strings are often nylon or, less often, metal ; tuning pins are also metal components.