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The Traditional Equating:
World War II brought a renewed focus on the role of the school in promoting good health. The traditional equating of health with physical fitness, and health education with physical edu¬cation, was further perpetuated during this pe¬riod. During the 1960's this concept was replaced by the identification of health education as a discipline separate from physical education. The School Health Education Study, initiated with private funds in 1961, had the most significant impact in establishing health education as a separate discipline.Recently, photoelectronic devices have become widely used for practical purposes. Radiant energy can be detected by various means, but if these are to be substituted for the human eye, they must respond as the visual sense responds to radi¬ant energy of various wavelengths. This has been accomplished by photoelectric cells, and physical photometry has replaced visual photometry to a considerable extent. However, there is no escap¬ing the need for calibrating physical photometers against the units and standards devised by visual photometry, since photometry basically involves the measurement of brightness by equating bright¬nesses in the visual field.
See Also Daily Traditional Preindustrial:
URDRESSING is the art of arranging the hair {otherwise modifying its natural state. Closely Tated to headgear, hairdressing has been an im-ant part of the dress of both men and women antiquity and, like dress, serves a number [functions (see DRESS; HAT). Almost all societies have found it necessary icut or confine the hair in order to keep it out [the way. They further arranged their hair to man's basic desire for personal adornment, [rich may vary in form from the ornately curled, nd wigs of Roman matrons to the sleek shin-heads of flappers in the 1920's. One ex-ely important function of hair styling, daily traditional preindustrial in traditional preindustrial societies, is [indicate status.The ethnology of Latin America differs from one region to another, ac¬cording to the peculiar history of each and its predominant social and economic character— industrial-urban, industrial-rural, preindustrial Iberian or preindustrial nature. Cultural traits of the Indians, European and North American whites, Asiatics, Negroes, and mixed peoples have been combined in various proportions to give the individual Latin American regions the varieties of culture which distinguish them from the rest of WTestern civilization.
On The Other Hand See Developments Traditional Letterpress:
The post-World War II era has provided a paradox in the graphic arts. The "art of the book" has become almost a mildly satirical term, yet the work of more artists and designers is to be seen in books than in any previous period. Books for children, books on art, architecture, and travel have provided these opportunities, well backed by continuous experiment on the part of lively-minded publishers and printers, adopting new developments traditional letterpress in traditional letterpress pro¬cesses plus gravure and lithography. Neverthe¬less, the main patrons of the graphic arts in Britain, as elsewhere, are the magazines, the ad¬vertising agencies and, increasingly, television.Mimeographing and silk screen print¬ing are the two major stencil processes. Of these four processes, letterpress is by far the oldest and the most used. It utilizes a wide variety of press equipment to produce printed matter ranging in size and quantity from one hundred calling cards to five million daily copies of the nation's largest newspaper. The layman, who normally has a very limited acquaintance with the printing industry, is most likely to have come into contact with the letterpress process, since the printed matter with which he is familiar derives in large extent from this type of printing. This section, therefore, in the main is concerned with the various kinds of letterpress printing processes. The presses used in other types of printing are dis¬cussed at length, in- separate articles on their related processes.
