Answer:
The cement company most likely embrace the idea of sustainable development.
Explanation:
Companies use sustainable methods of production to reduce the harmful impact of the company's processes on the environment. This does not only help the environment but also helps the business in gaining customer trust and loyalty as customers are more inclined to businesses involved in ethical production practices. Also, it gives an competitive edge and improved the company's image.
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Indigo could be used as dye for people who had no other way to dye their clothes or anything that they want to look pretty.