plant - механизмы и оборудование
plant investment = инвестиции в оборудование


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Note added at 27 mins (2005-08-23 20:22:49 GMT)
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Main Entry: 2plant
Function: noun
Etymology: Middle English plante, from Old English, from Latin planta
1 a : a young tree, vine, shrub, or herb planted or suitable for planting b : any of a kingdom (Plantae) of living things typically lacking locomotive movement or obvious nervous or sensory organs and possessing cellulose cell walls
2 a : the land, buildings, machinery, apparatus, and fixtures employed in carrying on a trade or an industrial business b : a factory or workshop for the manufacture of a particular product c : the total facilities available for production or service d : the buildings and other physical equipment of an institution
3 : an act of planting
4 : something or someone planted

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Note added at 30 mins (2005-08-23 20:25:46 GMT)
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http://www.manchester.gov.uk/localdemocracy/constitution/fin...

..It is a requirement of Financial Regulations that where surplus plant, vehicles, furniture, equipment and stock items (owned by the City Council and not leased) are to be disposed of, they should be sold by competitive tender or public auction unless the interests of the City Council would be better served by disposal in some other way. Before any disposal takes place, checks must be carried out to ensure that the assets are owned by the City Council and are not subject to a leasing arrangement. Leased assets can only be disposed of in accordance with the terms of the lease.
..Vehicles and plant with a significant residual value should be disposed of at auctions or by tender, but furniture and equipment and other miscellaneous items with low residual values may be disposed of by a variety of means.
..Chief Officers are responsible for ensuring that accurate inventories of items of furniture, equipment, vehicles and plant, under their control, are kept at all times, and that physical checks are carried out at least once per year ...


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Note added at 32 mins (2005-08-23 20:27:16 GMT)
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http://www.entech.co.uk/entech/enhanced_cap.htm
..This document describes financial opportunities that are available through the purchasing of new energy efficient plant and machinery as a result of the Government’s Enhanced Capital Allowance Scheme.
... A Capital item of plant and machinery that costs £1,000 would yield a tax allowance cash value of £75 in the first year,

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Note added at 35 mins (2005-08-23 20:30:46 GMT)
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emissions - повсюду выбросы вредных веществ. мне так попадается по крайней мере.
так что похоже это - вредные выбросы (в атмосферу) оборудования, в которое сделаны инвестиции/(теперь по русски) вложены деньги.