| http://www.w3.org/ns/prov#value | - The employee was polite but did not engage in conversation, other than greeting us, asking if any help was needed with packing and then thanking us at the end.Staff at Waitrose in Altrincham, Cheshire, took one minute and five seconds, working out at 3.25 seconds per item, while at Sainsbury???s in Cromwell Road, West London, the process took one minute, 20 seconds, or one product scanned every fo
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