WATER FILTERING UNITS FOR DOMESTIC, COMMERCIAL, INDUSTRIAL USE; WATER SOFTENING UNITS, AND WATER PURIFYING UNITS

Installation and repair of water distribution, water treatment and irrigation device systems

PUBLIC UTILITY SERVICES IN THE NATURE OF WATER SUPPLY AND WATER DISTRIBUTION

Water treatment and purification

BACTERIOLOGICAL AND CHEMICAL RESEARCH, CHEMICAL ANALYSIS; ENGINEERING SERVICES; CONSULTATION IN ENVIRONMENT PROTECTION; TECHNICAL CONSULTATION AND RESEARCH IN THE FIELD OF COMPUTER HARDWARE AND SOFTWARE, ENVIRONMENT PROTECTION, BUILDING SECURITY, INDUSTRIAL PLANT SECURITY, DATA TRANSMISSION SECURITY, COMMUNICATIONS NETWORKS SECURITY, AND ENGINEERING