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Q10697
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What is the type of surface protection method by coating lubrication oil and grease?
Q10698
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What is the process of protective coating of zinc on iron sheets?
Q10699
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What is the type of surface protection method by painting?
Q10700
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What is the name of the process where thin layer of metal deposited by electrically on another metal?
Q10701
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Which metal is used for coating vessels in food industry?