How often is it advised to clean your tanker with a lead interior?

The petrochemical industry is one of the largest in the world. Apart from the fact that it keeps the world turning, it makes sure that many men and women are able to feed their families. If you work in the industry, you might ask yourself how often is it advised to clean lead interior tanks? Mostly, these tanks hold hydrocarbons and inhibitor residues, so regular cleaning is advised. You get…