单词：non shielded arc welding
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Several years ago, Iris Arc Crystal, a company I co-founded with Francesca Patruno, experienced a 1)lull in business. We had recently hired several new employees and hoped that the 2)slowdown was only
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Several years ago, Iris Arc Crystal, a company I co-founded with Francesca Patruno, experienced a 1)lull in business. We had recently hired several new employees and hoped that the 2)slowdown was only temporary. However, in the meantime, we had work
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Participants at the United Nations Climate Change Conference in Cancun, Mexico are complaining about long delays amid heavy security. Some environmental activists say they are being kept well away from conference sites, and when a group tried to stag
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