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Zn-Dross Deemed Excisable: High Zinc Content Makes It a Marketable Good in Galvanized Tube Manufacturing.
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....Whether "Zn-dross" is excisable goods or not - Held Yes - Zinc content is more than 96% in a "Zn-dross" which is a byproduct of main manufacturing process of galvanized tubes and this by-product viz. "Zn-dross" is a commercially another item, which is saleable and purchasable in a market - HC....