Employment in the Federal Government has not followed the same course as spending. The share of the civilian labor force employed by the Federal government shows a much clearer World War II displacement than does the share of expenditures in GNP. This is illustrated in Fig. 1 which plots Federal civilian employment as a share of the civilian labor force from 1908 to 1990.
A tile is a manufactured piece of hard-wearing material such as ceramic, stone, metal, or even glass, generally used for covering roofs, floors, walls, showers, or other objects such as tabletops. Alternatively, tile can sometimes refer to similar units made from lightweight materials such as perlite, wood, and mineral wool, typically used for wall and ceiling applications. In another sense, a tile is a construction tile or similar object, such as rectangular counters used in playing games. The
A tile roof is a roof with an uppermost layer made from tiles. Terra cotta tiles such as pantiles which are designed to overlap to create a ridge and gutter design are a classic choice of material for tile roofing, although there are a variety of alternatives on the market.ile is a very durable, long-lasting roofing material. A tile roof can last up to 100 years, and sometimes even longer, in special cases. In addition to terra cotta tile, it is also possible to find slate or stone tiles, ceramic tiles, and tiles made from concrete.