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  • 51CNC — The abbreviation CNC stands for computer numerical control, and refers specifically to a computer controller that reads G code instructions and drives a machine tool, a powered mechanical device typically used to fabricate components by the… …

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  • 52List of Southern African birds — This is a list of the bird species recorded in Southern Africa. Southern Africa is defined as Africa south of a line between the Kunene and Zambezi rivers, encompassing Namibia, Botswana, Zimbabwe, South Africa, Lesotho, Swaziland and southern… …

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  • 53building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …

    Universalium

  • 54commercial fishing — Introduction  the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them.       Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… …

    Universalium

  • 55plant disease — ▪ plant pathology Introduction       an impairment of the normal state of a plant that interrupts or modifies its vital functions.       All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …

    Universalium

  • 56Bumblebee — Taxobox name = Bombus image width = 200px image caption = male Bombus terrestris robbing nectar regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Hymenoptera familia = Apidae subfamilia = Apinae tribus = Bombini genus = Bombus genus… …

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  • 57Bumble bee — For other uses, see Bumblebee (disambiguation) and Bombus (disambiguation). Bombus Bombus terrestris Scientific classification …

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  • 58mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …

    Universalium

  • 59Control character — In computing and telecommunication, a control character or non printing character is a code point (a number) in a character set, that does not in itself represent a written symbol. It is in band signaling in the context of character encoding. All …

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  • 60Dowel — A dowel is a solid cylindrical rod, usually made of wood, plastic or metal. In its original manufactured form, dowel is called dowel rod. Dowel rod is employed in numerous, diverse applications. It is used to form axles in toys, as detents on… …

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