Several common forms of SOD exist: they are proteins cofactored with copper and zinc, or manganese, iron, or nickel.

Several metals, such as copper ( II ) and iron ( III ) complexes affect this reaction.

Several bridges of different styles span the river Segura, from the Puente de los Peligros, eighteenth century stone bridge with a Lady chapel on one of its side ; to modern bridges designed by Santiago Calatrava or Javier Manterola ; through others as the Puente Nuevo an iron bridge of the early twentieth century

Several minerals in the crack fill are deposited in phases, specifically, iron deposited as magnetite, that are claimed to be typical of biodepositation on Earth.

Several mining companies ( Krupp and Apostolopoulos A. E., Chondrodimos S. A .) exploited the iron ore deposits of the island.

Several processes, such as metallurgical iron smelting and welding, require so much heat that they could only be developed after the invention, in antiquity, of the bellows.

Several transition metals, including chromium, molybdenum, iron and manganese, show both lithophile and siderophile characteristics and can be found in both these two layers.

Several nineteenth century iron maidens are on display in museums around the world, but it is unlikely that they were ever employed.

Several Dutch ovens were among Mary ’ s “ iron kitchen furniture .”

Several instances of " comical " torture are shown including a spinning iron maiden and " water torture " re-imagined as an Esther Williams-style aquatic ballet with nuns.

Several food resources exist, and are necessary to feed miners, who dig for four materials: coal ( for smelting ore ), iron ore, gold ore and stones ( for buildings ).

Several fine heritage buildings from the late 1880s / early 1900s settlement are still in existence, including the Great Western Hotel ( 1898 ), reputed to have the longest iron lace verandah in the Southern Hemisphere, the Cobar Court House ( 1887 ) and Court House Hotel ( 1895 ) in Barton Street, as well as the interesting Cobar Heritage and Visitor Information Centre, located in the beautiful former Mines Office ( 1910 ).

Several of the bridges on this section of canal are made from cast iron, from nearby Brymbo.

Several of the Federal sloops managed to ram, including one, Monongahela, that had been fitted with an iron shield on her bow just for this purpose.

Several factories were built in Pensnett and the factory workers were mostly employed in the iron and steel industries.

Several investors in the Union Iron Mills wished to invest in companies producing pig iron, but William Coleman advised against it and advocated building a wholly owned modern furnace under the company's control.

Several metres of wrought iron railing from the palace grounds can be seen outside Hamilton College ( Scotland ).

Several such pillars are also found in some places all along Western Ghats ( e. g. near Kemmannu gundi, near Yemkalkere, Agumbe, where there are good iron / manganese deposits ).

Several other iron sulfide minerals have also been identified in iron sulfide magnetosomes — including mackinawite ( tetragonal ) and a cubic — which are thought to be precursors of.

Several studies show that PGPR exert their plant growth-promoting activity by depriving native microflora of iron.

Several other peaks in the San Juan Mountains likewise have prominent reddish coloration from iron ore and are also called " Red Mountain ".

Several successful business have operated from the village: The Stevenson Brothers, who produce high-quality handmade rocking horses ; W & D Cole, who make iron gates and railings ; and the former Colt Houses, who sold prefabricated timber homes.

Several wooden towers from the 17th-century fort are now exhibited in Kolomenskoye Estate of Moscow.

* Several scenes of the popular Bollywood film Don: The Chase Begins Again were filmed in the Petronas towers and its skybridge.

Several defensive fortifications were constructed in the 19th century, including Fort Henry, four Martello towers, and the Market Battery.

Several West Michigan television stations have their transmitting towers in the Middleville area, including: WOOD-TV and WXMI.

Several hills have water towers and cellular towers, and the WSIX radio tower is located on a hill north of Old Hickory Boulevard.

Several stages for a pair of towers on the west end were completed before the project was abandoned in favour of the present central tower with a famous onion dome and facetted multi-staged lantern.

Several of the towers were then soon demolished.

Several of the downtown office towers have subterranean entrances to the complex allowing employees and visitors to bypass the downtown traffic and avoid the cold winter temperatures Winnipeg regularly experiences.

Several other towers are still extant, including one at Rathmullan in County Donegal.

Several decades later, the walls and towers were built of timber ; the best preserved of these towers was transported by the Soviets to Kolomenskoye, Moscow, where it still remains.

Several other towers, including a 20 kW and 10 kW tower, also are at the site.

Several Martello towers were built in the nineteenth century as part of an Empire-wide coastal defence programme: most have since fallen into the sea or become dilapidated.

Several interlocking and crossing gate towers were also maintained by GTW through its history.

Several weeks after the destruction of Ferhadija the nearby Sahat Kula, one of the oldest Ottoman clock towers in Europe, was also destroyed.

* Several photos of the towers and bunkers

Several mid-rise buildings were also planned around the base of both towers.

Several additional diamond-cantilever towers were built at stations in the Central Valley of California but are less well-known.

Several hundred barricades are built ; Communist-controlled police units occupy high buildings and church towers, shooting at everything that moves.

Several smaller towers and dishes are also present.

Several towers have been proposed for Birmingham since.

* Several towers

Several new map objects, including special quest towers that only allow passage if the hero meets certain criteria defined by the author of the map, also appear here for the first time.