a brass instrument is a musical instrument that produces sound by sympathetic vibration of air in a tubular resonator in sympathy with the vibration of the player's lips. brass instruments are also called labrosones, literally meaning 'lip-vibrated instruments'.. there are several factors involved in producing different pitches on a brass instrument. .
halite flowers are rare stalactites of curling fibers of halite that are found in certain arid caves of australia's nullarbor plain. halite stalactites and encrustations are also reported in the quincy native copper mine of hancock, michigan. mining. the world's largest underground salt mine is the sifto salt mine.
meccano is a model construction system created in 1898 by frank hornby in liverpool, united kingdom.the system consists of reusable metal strips, plates, angle girders, wheels, axles and gears, and plastic parts that are connected using nuts and bolts.it enables the building of working models and mechanical devices. meccano maintains a manufacturing facility in calais, france.
encyclopædia britannica films was an educational film production company in the 20th century owned by encyclopædia britannica inc.. see also encyclopædia britannica films and the animated cartoon television series britannica's tales around the world
a glass of pasteurized cow's milk cows being milked milk is a nutrient -rich, white liquid food produced by the mammary glands of mammals. it is the primary source of nutrition for infant mammals including humans who are breastfed before they are able to digest other types of food. early- lactation milk contains colostrum, which carries the mother's antibodies to its young and can reduce the .
a limited liability company llc is the us-specific form of a private limited company.it is a business structure that can combine the pass-through taxation of a partnership or sole proprietorship with the limited liability of a corporation. an llc is not a corporation under state law; it is a legal form of a company that provides limited liability to its owners in many jurisdictions.
timeline of russian innovation encompasses key events in the history of technology in russia, starting from the early east slavs and up to the russian federation.. the entries in this timeline fall into the following categories: indigenous inventions, like airliners, ac transformers, radio receivers, television, artificial satellites, icbms; products and objects that are uniquely russian, like .
republic of south africa 18 south africa left the commonwealth of nations in 1961 and was re-admitted in 1994. it remains a republic. note: the manufacturer and last two digits of the year are on the upper arc of the stamp e.g., wa 80 for walter annexe, 1980 .
the orchidaceae are a diverse and widespread family of flowering plants, with blooms that are often colourful and fragrant, commonly known as the orchid family.. along with the asteraceae, they are one of the two largest families of flowering plants.the orchidaceae have about 28,000 currently accepted species, distributed in about 763 genera. the determination of which family is larger is .
the industrial process to convert bagasse into paper was developed in 1937 in a small laboratory in hacienda paramonga, a sugar mill on the coast of peru owned by w.r. grace company. with a promising method, the company bought an old paper mill in whippany, new jersey and shipped bagasse from peru to test the viability of the process on an industrial scale.
the peregrine falcon has a body length of 34 to 58 cm 13–23 in and a wingspan from 74 to 120 cm 29–47 in . the male and have similar markings and plumage, but as in many birds of prey the peregrine falcon displays marked sexual dimorphism in size, with the measuring up to 30% larger than the male.
gibberellic acid also called gibberellin a3, ga, and ga 3 is a hormone found in plants and fungi. its chemical formula is c 19 h 22 o 6.when purified, it is a white to pale-yellow solid. plants in their normal state produce large amounts of ga3. it is possible to produce the hormone industrially using microorganisms. nowadays, it is produced by submerse fermentation, but this process .