1598
History Organic chemicals such as lactic acid and citric acid have been used to etch metals and create products as early as 400 BCE , when vinegar was used to corrode lead and create the pigment ceruse , also known as white lead .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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