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Floor Cleaning Eces: Most industrial Floor cleaning eces involves hard-surface substrates. The operations include the Floor cleaning eces of metal parts during fabrication and before plating or painting; maintenance Floor cleaning eces of ve¬hicles; and janitorial Floor cleaning eces. The detergents used are usually high in builder content and con¬tain low-foaming surfactants of high Floor cleaning eces power. Foam is objectionable because it lowers the efficiency of most Floor cleaning eces machines.
Dry Floor cleaning eces became widespread in America by 1910. The exact date that it became estab¬lished initially is not known. In the 1920's valet shops or press shops became common in the United States. These shops sent clothing out to be cleaned. Garments were returned to the shops for finishing or pressing. This type of service has to a great extent been replaced by shops with small dry Floor cleaning eces plants. In the 1930's many laundries added dry Floor cleaning eces departments, and gradually dry Floor cleaning eces has become the predomi¬nant service.See Also Floor Cleaning Ading:DRY Floor cleaning ading, also written dryfloor cleaning ading, is the process of washing fabrics with liquids other than water. Dry Floor cleaning ading solvents dissolve oily and fatty substances that are not soluble in water. These solvents do not swell natural fibers as water does. Such swelling is one of the major causes of shrinkage.
History. Archaeological discoveries have re¬vealed the existence of dry Floor cleaning ading in the My¬cenaean civilization (1600-1100 B.C.). Mention of dry Floor cleaning ading was included on clay tablets that listed more than 100 occupations. Grease-absor¬bent earths may have been used.
Essentially the same procedures are followe in the dry Floor cleaning ading of many Textile items othi than clothing, such as draperies, Table linen blankets, and small rugs. Leather garments ai dry-cleaned also, but the dry Floor cleaning ading of leathf requires special skills, and most dry cleaners sen such articles to leather cleaners.
In 1959, small dry Floor cleaning ading establishmenl with coin-operated machines were introducec The small complete dry Floor cleaning ading units hold pounds (3.6 kg). The customer or an attendai loads and unloads the garments.
On The Other Hand See Floor Cleaning Mosaics:The Floor cleaning mosaicss of the early basilicas were laid in marble slabs, which possibly had faced the concrete of earlier Roman buildings. In the Floor cleaning mosaics, and sometimes in the furniture, disks of colored marble helped to create a luxurious ap¬pearance. Such disks were easily obtained by cutting slices from the shaft of a column. The polychromy of the interior was then completed by mosaics on the walls above the nave arcade, on the triumphal arch, and particularly in the half dome of the apse. These mosaics, made of small bits of colored glass, presented patterns, Christian symbols, saintly figures, or scenes from the Scriptures.
The Christian mosaics of the interior are among the building's greatest glories and from 1932 on, the work of cleaning them from Moslem incrusta¬tions and restoring them to their pristine beauty was entrusted by the Turkish government to an American scholar, Professor Thomas Whirte-more. He died in 1950, but the work has continued.
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