Fans who flouted the rule were scolded by security or told to scram.

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Walter Herrera, quality control and risk manager for the Chilean mining company GeoTech, has said his company was bringing a specialized device -- a Scram T-130 drill typically used for boring water holes -- to the San Jose mine.

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To help spot factory or commercial goods sellers, which Etsy calls "resellers, " it uses a software program called SCRAM, which can identify problem sellers by predicting the rate and sequence by which they set up their shops.

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