Traditionally, tanning used tannin, an acidic chemical compound from which the tanning process draws its name ( tannin is in turn named for an old German word for oak or fir trees, which supplied it ).

Traditionally, the salt was transformed from its raw natural forms into commercially sold kala namak through a reductive chemical process that transforms some of the sodium sulphate in the raw salt into pungent hydrogen sulfide and sodium sulfide.

Traditionally, the movement of groundwater has been studied separately from surface water, climatology, and even the chemical and microbiological aspects of hydrogeology ( the processes are uncoupled ).

Traditionally they have been used in fuel cells and other devices that convert chemical, nuclear, or thermionic energy to electricity.

Traditionally, it is a chemical reaction that transforms primary alkyl halides into primary amines using potassium phthalimide.

Traditionally, it must also be an inorganic, naturally occurring, homogeneous substance with a defined chemical composition, but now organically derived substances that have been transformed into a crystalline structure are minerals.

Traditionally a chemical reaction especially in organic chemistry is named after its inventor, the so called named reaction, to name just a few: Knoevenagel condensation, Wittig reaction or Diels-Alder reaction.

Traditionally povidone-iodine is soaked into absorbent materials for application to wound sites, but this can lead to contact burns if excessive amounts of povidone-iodine are used.

Traditionally, the sample is mounted on a piezoelectric tube, that can move the sample in the z direction for maintaining a constant force, and the x and y directions for scanning the sample.

Traditionally, these hearing aids have a small plastic case behind the ear and a small clear tube running into the ear canal.

Traditionally, the top tube of a racing bicycle is close to parallel with the ground when the bicycle is in its normal upright position.

Traditionally, nil by mouth was considered to be mandatory in all cases, but now it is recognised that gentle feeding by enteral feeding tube may help to restore motility by triggering the gut's normal feedback signals, so this is the recommended management initially.

Traditionally, crystal microdermabrasion system contains a pump, a connecting tube, a hand piece, and a vacuum source.

Traditionally the drink is made by pouring the vodka over ice cubes or cracked ice in an old-fashioned glass, followed by the coffee liqueur.

Traditionally the Christmas trees are decorated with hand blown glass baubles, garlands, and many homemade ornaments including shiny red apples, walnuts, wrapped chocolate shapes, and candles.

Traditionally this was done after the glass was blown or cast.

Traditionally the windows of town pubs were of smoked or frosted glass to obscure the clientele from the street but in the 1990s and after in the UK and other countries there has been a move towards clear glass, in keeping with brighter interior décors.

Traditionally, metal, wood, fabric, lacquerware, and earthenware were the main materials used, but later glass, leather or paper have sporadically been used.

Traditionally, coffee is served with a glass of still water.

Traditionally, it is prepared in mid-autumn, when bell peppers are most abundant, conserved in glass jars, and consumed throughout the year ( although in most households stocks do not last until the spring, when fresh salads start to emerge anyway, so it is usually enjoyed as a winter food ).

Traditionally, matte paintings were made by artists using paints or pastels on large sheets of glass for integrating with the live-action footage.

Traditionally, lethal pills are oval capsules, approximately the size of a pea, consisting of a thin-walled glass ampoule covered in brown rubber ( to protect against accidental breakage ) and filled with a concentrated solution of potassium cyanide.

Traditionally pig iron would be worked into wrought iron in finery forges, and later puddling furnaces, more recently into steel.

Traditionally made from wood, the dummies are now also made from modern constructs such as steel and plastic.

Traditionally, wire fencing material is made of galvanized mild steel, but galvanized high-tensile steel is now also used in many places.

Traditionally, good quality cutlery was made from silver ( hence the U. S. name ), though steel was always used for more utilitarian knives, and pewter was used for some cheaper items, especially spoons.

Traditionally these instruments had gut strings, however, at the beginning of the 20th century common performance practice changed over to steel strings.

Traditionally, the hallmarks are ' struck ' using steel punches.

Traditionally a mining, weaving and textile area, most of Larkhall's traditional industries have now shut, including the Lanarkshire iron and steel works.

Traditionally, the tree of an English saddle is built of laminated layers of high quality wood, reinforced with steel underneath the front arch, and around the rear underside of the tree from quarter to quarter.

Traditionally a flint and steel were used ; however, the flint was not the important part.

Traditionally, Anatolia is considered to extend in the east to a line between the Gulf of Iskenderun and the Black Sea, approximately corresponding to the western two-thirds of the Asian part of Turkey.

Traditionally, there is a distinction between northern and southern Chinese Islamic cuisine despite both utilizing mutton and lamb.

Traditionally these have been interpreted as examples of government hostility toward commerce, but more recent studies, which use source material such as magistrate diaries and genealogical records, suggest that merchants in fact had a powerful impact on government policies and that the division between the world of the merchant and the world of the official was far more porous than traditionally believed.

Traditionally, " chips " in the British Isles ( and Australia and New Zealand ), are cut much thicker, i. e., are " chipped " from the potatoes and described in some recipes as " chipped potatoes " not simply " chips ", and are typically between 10 and 15 mm ( 3 / 8 – 1 / 2 inches ) wide.

Traditionally Luke has been regarded as written by Luke the Evangelist some time between the " we " passages in Acts 16 onwards and the imprisonment of Paul in Rome in Acts 28, leading as with some modern scholars to argue for a date c. 60-65.

Traditionally it has been argued that prior to the beginning of the 14th century, the weapon was a self bow between four and five feet in length, known since the 19th century as the shortbow.

Traditionally there was a great deal of heated debate between pheneticists and cladists, as both methods were initially proposed to resolve evolutionary relationships.

Traditionally, the distinction between acute and chronic pain has relied upon an arbitrary interval of time from onset ; the two most commonly used markers being 3 months and 6 months since the onset of pain, though some theorists and researchers have placed the transition from acute to chronic pain at 12 months.

Traditionally the strait has been associated with the Strait of Messina between Italy and Sicily, but more recently this theory has been challenged, and the alternative location of Cape Skilla in northwest Greece has been suggested by Tim Severin.

Traditionally boards have a raised camber, meaning that if one were to lay it flat the board comes off the ground between the spots where one's feet would be ( contact points ).

Traditionally, Kappamaki is consumed to clear the palate between eating raw fish and other kinds of food, so that the flavors of the fish are distinct from the tastes of other foods.

Traditionally, and due to tacit agreement between the United States and Europe, the U. S. has always chosen the President of the World Bank.

Traditionally, otariids had been subdivided into the fur seal ( Arctocephalinae ) and sea lion ( Otariinae ) subfamilies, with the major distinction between them being the presence of a thick underfur layer in the former.

Traditionally, following Völuspá and Snorri Sturluson's account in the Prose Edda, scholarship on the Vanir has focused on the Æsir – Vanir War, its possible basis in a war between tribes, and whether the Vanir originated as the deities of a distinct people.

Traditionally it is the period of the Twelve Apostles, dating from the Great Commission until the death of John the Apostle ( about 100 AD Since it is believed that John lived so long and was the last of the twelve to die, there is some overlap between the apostolic age and the first Apostolic Fathers.

Traditionally, the moving parts ( both rotating crankshaft and sliding piston ) were lubricated by a premixed fuel-oil mixture ( at a ratio between 16: 1 and 100: 1 ).

Traditionally the 35-foot star was lit each night between Thanksgiving and New Year's Day and was visible for miles throughout the Pomona Valley.

Traditionally, intentional contact between vehicles has been characterized as unlawful deadly force, though some U. S. federal appellate cases have mitigated this precedent.

Traditionally, the rigid fan ( also called fixed fan ) was the most popular form in China, although the folding fan came into popularity during the Ming Dynasty between the years of 1368 and 1644, and there are many beautiful examples of these folding fans remain.

Traditionally, Europe's major opera houses built in the 19th century contained between about 1, 500 to 3, 000 seats, examples being Brussels ' La Monnaie ( after renovations, with 1, 700 seats ), Odessa Opera and Ballet Theater ( with 1, 636 ), Warsaw's Grand Theatre ( the main auditorium with 1, 841 ), Paris ' Opéra Garnier ( with 2, 200 ), the Royal Opera House in London ( with 2, 268 ) and the Vienna State Opera ( the new auditorium with reduced capacity of 2, 280 ).

Traditionally, distinctions are made between " Ballroom Swing " and " Jazz Dance Swing " styles.

Traditionally, the bride or her family may have brought her husband a dowry, or the husband or his family may have needed to pay a bride price to the family of his bride, or both were exchanged between the families ; the dowry not only supported the establishment of a household, but also served as a condition that if the husband committed grave offenses upon his wife, the dowry had to be returned to the wife or her family ; for the time of the marriage, they were made inalienable by the husband.

Traditionally between ten and twenty questions, the quiz asks the players to identify the Mole and several pieces of information regarding the Mole, including the Mole's activity in challenges, biographical profile, their fashion and / or culinary choices during the show, etc.

Traditionally, copyright laws vary considerably between member states, particularly between common law jurisdictions ( Cyprus, Ireland, Malta and the United Kingdom ) and civil law countries.