The efforts on closedown and suspension of small sugar refineries, small saccharin refineries and small paper mills are also being carried out in steps.
But in the past few months it has taken a harder line and pressed on with pollution controls, hitting coalminers, cement-makers, paper mills, chemical factories, textile firms and more.
A mill is a place where machines make products. It is like a factory. For example, a paper mill makes paper and a steel mill manufactures steel. A mill can produce just about anything.