Both genres are based on the terrifying side of Middle Ages, and both frequently feature the same elements ( castles, ghost, monster, etc .).

Both utopias and dystopias are commonly found in science fiction and other speculative fiction genres, and arguably are by definition a type of speculative fiction.

Both genres then focus on the hero-warrior figure, but with the distinction that the saint is of a spiritual sort.

Both are now considered by many to be classics in both the heavy metal, power metal, and first wave black metal genres.

Both genres are connected with a revival of swing dances, such as the Lindy hop.

Both genres peaked in popularity in the 1960s and were covered by a number of rock artists.

Immediately after the deputy king's death in 1865, King Mongkut made known his fear that Lao musical culture would supplant Siamese genres and therefore banned Lao musical performances in a proclamation in which he complained that, " Both men and women now play Lao khene ( mo lam ) throughout the kingdom ... Lao khene is always played for the topknot cutting ceremony and for ordinations.

Both genres of music are produced using the same types of equipment: samplers, drum machines, microphones and sequencers.

Both Hard rock and Heavy metal were extremely popular live genres and bands toured extensively around the globe.

Both genres were commercially successful across the world, with artists such as 2 Unlimited, La Bouche and Captain Hollywood promoting the genre.

Both incluing and infodumping are forms of exposition and are frequently used in science fiction and fantasy, genres where the author has the task to make the reader believe in a world that does not exist.

Both hosts would fill out the show's half-hour time slot through introductions and longer extros which would analyse and discuss the episode critically for several minutes often explaining how a story was at variance with scientific concepts, how it related to science fiction genres, or putting the episodes in a socio-political context.

Both Changui and Son genres developed as a result of the combination of African and Spanish musical styles and instrumentation.

Both genres employ the narrator as protagonist and " rely upon the illusion of presence in their mode of signification ".

Both channels show mainly made-for-TV movies from a range of film genres, all based on real life events and people.

Both genres feature little to no use of firearms or projectile combat.

Both Viz and Studio Proteus had been experimenting with a wide variety of manga genres, but when the market tightened only those which appealed to the core " comic book store " market survived.

Both of these systems are essential for the production, development, and use of the National Forests.

Both terms anti-Semitism and antisemitism are in common use.

Both TRAM and DIEP / SIEP use the abdominal tissue between the umbilicus and the pubis.

Both use the term simply to mean a swift strategic knockout.

Both the Official IRA and Provisional IRA had established " no-go " areas for the British Army and RUC in Derry through the use of barricades.

Both the first method for cladistic analysis and the school of taxonomy originated in the work of the German entomologist Willi Hennig, who referred to it as " phylogenetic systematics " ( also the title of his 1966 book ); the use of the terms cladistics and clade was popularized by other researchers.

Both countries share the use of English and French as the two official languages as well as memberships in the Francophonie and the Commonwealth.

Both the United States and European Union have limits to nitrogen oxide emissions, which necessitate the use of a special catalytic converter or treatment of the exhaust with urea ( see AdBlue ).

( Both Canadian and British English use balloted and profiting.

Both are valued for their abrasion resistance, and hence find use in applications such as the wear plates of crushing equipment in mining operations.

Both languages now use the modern ( Congolese ) names.

Both batch and continuous distillations can be improved by making use of a fractionating column on top of the distillation flask.

Both are well familiar with the DBMS product and use its user interfaces ( as well as usually other tools ) for their work.

Both companies use extensive salt evaporation pans that have essentially diked the entire southern end of the Dead Sea for the purpose of producing carnallite, potassium magnesium chloride, which is then processed further to produce potassium chloride.

Both releases use the same NTSC Region 0 discs made from telerecordings of the original videotapes.

Both sides recognised the legitimacy and rightness, as expressions of the same faith, of the Assyrian Church's liturgical invocation of Mary as " the Mother of Christ our God and Saviour " and the Catholic Church's use of " the Mother of God " and also as " the Mother of Christ ".

Both are extremely old, going back at least to the third century, and are the oldest extant liturgies continually in use.

Both natural and social sciences use working hypotheses that are testable by observation and experiment.

Both of those systems, not coincidentally, use game mechanics inspired by D & D, giving Gamma World characters six ability scores, and measuring character development through increases in character class level.

Both retained the rights to use OS / 2 and Windows technology developed up to the termination of the agreement ; Windows NT, however, was to be written anew, mostly independently ( see below ).

Both Windows Server 2003 x64 and Windows XP Professional x64 Edition use identical kernels.

Both methods have long been promoted on the basis of lowest cost, though neither of these measurements directly, or reliably, reflects HDL particle functionality to remove cholesterol from atherosclerotic plaque and can therefore be misleading, especially on an individual patient-by-patient basis Labs use the routine dextran sulfate-Mg < sup > 2 +</ sup > precipitation method with ultracentrifugation / dextran sulfate-Mg < sup > 2 +</ sup > precipitation as reference method.

Such cells, tissues and organs would neither trigger an immune response nor require the use of Immunosuppressive drugs Both basic research and therapeutic development for serious diseases such as cancer, heart disease and diabetes, as well as improvements in burn treatment and reconstructive and cosmetic surgery, are areas that might benefit from such new technology.

Both programs allow for basic nutrient solution preparation although HydroBuddy provides added functionality to use and save custom substances, save formulations and predict electrical conductivity values.

Both came into widespread use by psychiatry, but there were grave concerns and much opposition on grounds of basic morality, harmful effects, or misuse.