• The application of the bituminous primer "Bitumast"
  
• The application of rubber-bitumen mastic "Bitumast" (waterproofing)
  
• Facing of the floor by acid-resistant tiles with chemically resistant adhesives "Himfleks"
  
• Seams' acidification by a solution of sulfuric acid
  
• Filling joints by chemically resistant putty "Himfleks"