Work carried out in a hazardous environment, involving the presence of flammable and dangerous substances, with advanced safety infrastructure in place. The process included opening and emptying the tank, followed by thorough abrasive cleaning to remove rust, old paint residues, and contaminants, ensuring proper surface preparation for recoating. After cleaning, the tank was coated with a protective layer resistant to corrosion, chemicals, and harsh environmental conditions, in accordance with its intended use.