The metal in a wrench is all the same. The only difference is if the manufacturer chose to polish some portion of the wrench’s head or handle. Wrenches with black industrial finishes are designed for ...
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LONDON, Feb 1 (Reuters) - London-listed miner Xstrata has declared force majeure to its vanadium and ferro-chrome customers as power shortages disrupt mining in South Africa, the firm said on Friday.