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  2. Drilling and blasting - Wikipedia

    en.wikipedia.org/wiki/Drilling_and_blasting

    In 1990, 2.1 billion kg of commercial explosives were consumed in the United States (12 m 3 per capita), representing an estimated expenditure of 3.5 to 4 billion 1993 dollars on blasting. In this year the Soviet Union was the leader in total volume with 2.7 billion kg of explosives consumed (13 m 3 per capita), and Australia had the highest ...

  3. Lindahl tax - Wikipedia

    en.wikipedia.org/wiki/Lindahl_tax

    Intuitively, it is assumed that some producer can produce public goods in cost 1, and he sells them to the public; his profit is the total amount of money he gains from selling the goods in the given prices, minus the total cost of production. The personalized price-vector p i can be interpreted as the Lindahl tax on agent i.

  4. Factory overhead - Wikipedia

    en.wikipedia.org/wiki/Factory_overhead

    Factory overhead, also called manufacturing overhead, manufacturing overhead costs (MOH cost), work overhead, or factory burden in American English, is the total cost involved in operating all production facilities of a manufacturing business that cannot be traced directly to a product. [1] It generally applies to indirect labor and indirect cost.

  5. Sandblasting - Wikipedia

    en.wikipedia.org/wiki/Sandblasting

    [1] [2] Thomas Wesley Pangborn perfected the idea and added compressed air in 1904. [4] Sandblasting equipment typically consists of a chamber in which sand and air are mixed. The mixture travels through a hand-held nozzle to direct the particles toward the surface or work piece. Nozzles come in a variety of shapes, sizes, and materials.

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  7. Avoided burden - Wikipedia

    en.wikipedia.org/wiki/Avoided_burden

    The avoided burden procedure operates under certain assumptions. For instance, the method assumes that the product or material assessed will be used at least twice, and that the product or material will still be in demand in the future, which could range anywhere between days to years depending on the product at hand. [8]

  8. Glossary of construction cost estimating - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_construction...

    A Allocation of costs is the transfer of costs from one cost item to one or more other cost items. Allowance - a value in an estimate to cover the cost of known but not yet fully defined work. As-sold estimate - the estimate which matches the agreed items and price for the project scope. B Basis of estimate (BOE) - a document which describes the scope basis, pricing basis, methods ...

  9. Blast furnace - Wikipedia

    en.wikipedia.org/wiki/Blast_furnace

    Blast furnaces used in the ISP have a more intense operation than standard lead blast furnaces, with higher air blast rates per m 2 of hearth area and a higher coke consumption. [ 79 ] Zinc production with the ISP is more expensive than with electrolytic zinc plants, so several smelters operating this technology have closed in recent years. [ 80 ]

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