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17 Sep 2001: feedback operating on fast time-scales, while fairness has. been considered an economic issue, involving static. ... is likely to lessen the distinction between engineering and. economic issues and increase the importance of an inter-.

4 Sep 2001: It is not economic to use standard processes such as turning - so another approach is needed.

8 Sep 2001: Economics. Cycle time is limited by heating and cooling of the sheet.

8 Sep 2001: Economics. The use of dedicated lathes for metal turning is rare on an industrial scale, except for prototyping.

8 Sep 2001: As a result, a self-quench is usually sufficient. The equipment is very expensive and not economic for large surfaces, but automation is straightforward and very precise control can be achieved.

8 Sep 2001: Economics. Equipment is generally low cost, except where automation is used. ... Wave soldering is the most economic means of soldering large batches of printed circuit boards.

8 Sep 2001: Economics. The machinery is expensive, and can cost well over £100,000 for HIPing. ... Because there is little competition, can be economic for small batches (1,000+) - although still not cheap!

8 Sep 2001: Some scrap is always produced and cannot be directly recycled. Economics.

8 Sep 2001: Economics. The basic equipment cost is low - from £500 to £3,000; automation and higher temperature furnaces can increase this a lot. ... The labour intensive nature of the process mean it is usually only economic for small batches, although dedicated

8 Sep 2001: Economics. Cycle time is limited by heat conduction out of the mould, so increases dramatically for larger wall thicknesses. ... The long cycle times usually limit economic batch sizes to between 500 and 10,000.