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canning

(Encyclopedia) canning, process of hermetically sealing cooked food for future use. It is a preservation method, in which prepared food is put in glass jars or metal cans that are hermetically sealed…

lock and key

(Encyclopedia) lock and key, fastening fitted to an entryway, such as a gate or door, or a container, such as a cabinet, drawer or safe, to keep it closed and/or prevent unauthorized access or use.…

coal mining

(Encyclopedia) coal mining, physical extraction of coal resources to yield coal; also, the business of exploring for, developing, mining, and transporting coal in any form. Coal has been historically…

Emigrant Aid Company

(Encyclopedia) Emigrant Aid Company, organization formed in 1854 to promote organized antislavery immigration to the Kansas territory from the Northeast. Eli Thayer conceived the plan as early as Feb…

anesthesia

(Encyclopedia) anesthesiaanesthesiaănĭsthēˈzhə [key] [Gr.,=insensibility], loss of sensation, especially that of pain, induced by drugs, especially as a means of facilitating safe surgical procedures…

Kabul

(Encyclopedia) KabulKabulkäˈb&oobreve;l, kəb&oomacr;lˈ [key], city (1997 est. pop. 1,500,000), capital of Afghanistan and of Kabul prov. and its largest city and economic and cultural center…

migration

(Encyclopedia) migration, of people, geographical movements of individuals or groups for the purpose of permanently resettling. Normal internal migration has been characterized by a population…

occupational disease

(Encyclopedia) occupational disease, illness incurred because of the conditions or environment of employment. Unlike with accidents, some time usually elapses between exposure to the cause and…