What is a gray industry?

The loopholes in drilling rules originate from dangerous marginal industries.

Gray industry: an unreasonable but objective industry between legitimate industry (white) and unfair industry (black). Simply put, gray industry is a project or industry that evades the law and makes huge profits.

Gray economy is also called underground economy. It is a part of the national economy. It is generally believed that the national economy can be divided into two parts: the formal economy and the gray economy.