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postal service

(Encyclopedia)postal service, arrangements made by a government for the transmission of letters, packages, and periodicals, and for related services. Early courier systems for government use were organized in the P...

Palmer, Alice Freeman

(Encyclopedia)Palmer, Alice Freeman, 1855–1902, American educator, b. Broome co., N.Y., grad. Univ. of Michigan, 1876. She was one of the leading early proponents of higher education for women in the United State...

sandblast

(Encyclopedia)sandblast, stream of sand or other abrasive particles driven by a jet of compressed air or water or by centrifugal force against a surface to clean or abrade it. When centrifugal force is used, the ab...

Occupational Safety and Health Administration

(Encyclopedia)Occupational Safety and Health Administration (OSHA), U.S. agency established (1970) in the Dept. of Labor (see Labor, United States Department of) to develop and enforce regulations for the safety an...

breakwater

(Encyclopedia)breakwater, offshore structure to protect a harbor from wave energy or deflect currents. When it also serves as a pier, it is called a quay; when covered by a roadway it is called a mole. In the Unite...

rain

(Encyclopedia)rain, precipitation in liquid form. It consists of drops of water falling from clouds; if the drops are very small, they are collectively termed drizzle. Rain plays a key role in the hydrologic, or wa...

George VI, king of Great Britain and Ireland

(Encyclopedia)George VI (Albert Frederick Arthur George), 1895–1952, king of Great Britain and Northern Ireland (1936–52), second son of George V; successor of his elder brother, Edward VIII. He attended the ro...

probation

(Encyclopedia)probation, method by which the punishment of a convicted offender is conditionally suspended. The offender must remain in the community and under the supervision of a probation officer, who is usually...

public health

(Encyclopedia)public health, field of medicine and hygiene dealing with the prevention of disease and the promotion of health by government agencies. In the United States, public health authorities are engaged in m...
 

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