This page contains a numerical NAICS code list 2017. Users can view and lookup an index of 2017 NAICS codes in numerical order.
Zinc processing: Zinc processing, the extraction of zinc from its ores and the preparation of zinc metal or chemical compounds for use in various products. Zinc (Zn) is a metallic element of hexagonal close-packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre.
Income tax: effective life of depreciating assets (applicable from 1 July 2007) (Current from 27 June 2007 to 3 July 2007)
Smelting is a process of applying heat to ore in order to extract out a base metal.It is a form of extractive metallurgy.It is used to extract many metals from their ores, including silver, iron, copper, and other base metals.
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can
Recovery of metals and nonmetals from electronic waste by physical and chemical recycling processes
Lead is a dense, soft, low-melting metal. It is an important component of batteries, and about 75% of the world's lead production is consumed by the battery industry.
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IWM manufactures waterjet cutting machine and water jet cutter spare parts. IWM supplies cnc plasma cutting machine, new and used Water jet plasma cutter. Provide water jet cutting machine speeds, cost of consumables, waterjet maintenance procedures and trouble shooting for waterjet cutting machines.
Work Items. WK2423 Standard Test Method for Water Content of Freshly Mixed Concrete Using Microwave Oven Drying. WK3822 Repeated Direct Shear Test of Soils Under Consolidated Drained Conditions
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