2.1. - Complex equipment for potable and service water purification
• Odstranění Fe, Mn, As. Kontejnerové a mobilní úpravny vody.
2.2. - Technology and el. equipment for water purification plants
15.1. - Construction of water networks, incl. water treatment plants
16.1. - Technological equipment for potable water treatment for the needs of industrial companies
16.2. - Waste water treatment plants for industrial companies