Certain schools have certain codes on the use of makeup ( some don't condone it at all ), the sporting of bracelets / jewelry, but most if not all schools allow students to wear obligatory religious clothing such as such as the Islamic hijab, sheila, and abaya as well as Sikh turban, etc.

Certain schools also regulate student hairstyles, footwear, and book bags ; but these particular rules are usually adhered to only on special occasions, such as trimester opening and closing ceremonies and school photo days.

Certain ryūha ( schools ) of these arts, however, can be classified as koryū, having been established before the Meiji Restoration ( for example, Musō Jikiden Eishin-ryūha of iaijutsu is more than 400 years old ).

Certain economic measures proposed by the Liberals ( like the Desamortización, i. e. the takeover, division and sale of the commons and Church property, initiated in 1821 ) were directly threatening to the viability of many small farms, whose inhabitants could rely on the common pasture lands to feed, at little or no cost, their mules and oxen, and caused widespread poverty and the closing down of most hospitals, schools and other charities.

Certain media and politicians did not make any distinction between the above schools and the individuals indicted and later acquitted in this criminal matter.

Certain kinds of organisms require particular additional elements, for example the magnesium in chlorophyll in green plants, the calcium in mollusc shells, or the iron in the hemoglobin in vertebrate animals ' red blood cells.

Certain German prepositions require the dative: aus, außer, bei, mit, nach, seit, von, zu, and gegenüber.

Certain lesions require Long-term video-EEG monitoring with the use of intracranial electrodes if noninvasive testing was inadequate to identify the epileptic focus or distinguish the surgical target from normal brain tissue and function.

Certain self-limiting illnesses or minor injuries may not require further medical care past the first aid intervention.

Certain illumination algorithms and reflective or translucent materials may require more rays to be re-cast into the scene.

Certain applications may require multiple IP addresses on the server.

Certain cell types such as fat and muscle cells require insulin to absorb glucose.

Certain surgeries for cerebral aneurysms or aortic arch defects require that blood circulation be stopped while repairs are performed.

Certain vesicle-trafficking steps require the transportation of a vesicle over a moderately small distance.

Certain vehicles — like Citroëns and Ferraris — require specialist care due to their unique design.

Certain spells require expensive or rare elements to work properly, while the majority are merely spoken.

Certain performers or production companies would require that a kinescope be made of every television program.

Certain conditions require tracheal intubation ( insertion of a tube ) to secure the patency ( openness ) of the airway.

Certain areas on the board ( where cities existed historically ) have a square printed in them to designate them as city sites, which require five population tokens to produce a city — non city sites require twelve such tokens.

Certain scenes or even types of filmmaking, however, may require the use of zooms for speed or ease of use, as well as shots involving a zoom move.

Certain production and technical processes and treatments in factories, laboratories, hospitals, and other facilities require specific relative humidity levels to be maintained using humidifiers, dehumidifiers and associated control systems.

Certain character classes require less experience than others to achieve a new level.

Certain applications will not require that all of these conditions are met, but these five requirements are the most ideal.

Certain plants including the genetic model organism Arabidopsis thaliana naturally self pollinates, which makes it quite easy to create inbred strains in the laboratory ( other plants, including important genetic models such as Maize require transfer of pollen from one flower to another ).

Certain flags require more than 1 player for capture.

Certain applications require a specific type of dive suit ; long dives into deep, cold water normally require a hot water suit or drysuit, whilst diving into potentially contaminated environments requires a drysuit, dryhood, and drygloves at a minimum, thereby keeping the diver completely isolated from the diving environment.

Certain human behaviours, especially actions like the fingering in musical performances, are very complex and require many interconnected neural networks where information can be transmitted across multiple brain regions.

Certain systems can achieve truly negative temperatures ; that is, their thermodynamic temperature ( expressed in kelvin ) can be of a negative quantity.

Certain indigenous religious groups such as the Australian Aborigines are more typically totemic, whereas others like the Inuit are more typically animistic in their worldview.

Certain facts of their lives have been attributed to him, as well as some of their works: thus the Life of St Bernard should be ascribed to Alain of Auxerre and the Commentary upon Merlin to Alan of Tewkesbury.

Certain indigenous Dayak people ( such as the Kayan, Kenyah, Lun Bawang / Lun Dayeh, Punan Bah and Penan ) living on the island have been struggling for decades for their right to preserve their environment from loggers and transmigrant settlers and colonists.

Certain complex character combinations can only be accomplished in a double-byte language, giving rise to especially complex forms, sometimes known by their romanized Japanese name of kaomoji.

Certain cultures highlight animal and vegetable foods in their raw state.

Certain civil servants were extremely passive in their dealings with China, he said.

Certain initiates such as Alex Sanders and Raymond Buckland who brought his take on the Gardnerian tradition to the United States in 1964 started off their own major traditions allowing further expansion.

Certain strains of cannabis are cultivated specifically for their ability to produce large amounts of trichomes.

Certain metallocenes and their derivatives exhibit catalytic properties, although metallocenes are rarely used industrially.

Certain species are regarded as subhuman, like the Morlocks who lurk beneath New York City and have been discriminated against by the outside world because of their mutant deformities.

Certain American conservatives, fundamentalists and evangelicals believe that the scriptures are both human and divine in origin: human in their manner of composition, but divine in that their source is God, the Holy Spirit, who governed the writers of scripture in such a way that they recorded nothing at all contrary to the truth.

Certain beliefs regarding the status of their past leader, and several of their outreach tactics and theology make them controversial in other orthodox groups.

Certain animals such as termites can digest cellulose, because bacteria possessing the enzyme are present in their gut.

His first attempt to do this was entitled ‘ Commentary on Certain Texts Which Deal with Antichrist ’ ( 1640 ), in which he attempted to argue that the texts relating to Antichrist had their fulfillment in the 1st century AD.

Certain cases, notably government suits for unpaid property taxes, proceed not against an individual but against their property directly.

Certain radio frequencies that are absorbed or scattered by water vapor, raindrops, or atmospheric gases ( especially oxygen ) are avoided in designing radars, except when their detection is intended.

Certain policies of Soviet leader Mikhail Gorbachev ( in office 1985-91 ) also encouraged nationalities in the union republics, including the Russian Republic, to assert their rights.

Certain states allow individuals and / or businesses to deduct a certain amount of their income taxes to donate to education.

Certain cities still oppose the building of skateparks in their neighborhoods, for fear of increased crime and drugs in the area.

Certain Mamiya medium-format SLRs, discontinued camera systems such as the Kowa 6 and a few other camera models also used between-the-lens leaf shutters in their lens systems.