42 Scientific and technological services and research and design in the field of wastewater treatment, dewatering, water purification, solid-liquid separation and filtration, industrial liquid purifying and slurry handling; industrial analysis and research services in the field of dewatering, solid-liquid separation and filtration; industrial design services; water quality control services and authentication services, namely, quality certification in the field of dewatering, solid-liquid separation and filtration; electronic data storage services utilizing the internet for archiving industrial databases and other electronic data; server hosting services and software as a service (SAAS) featuring software for use in cloud infrastructure management and automation and rental of software for real-time filtration and water purification analytics and automatic reporting thereon; environmental technology services, namely, technical consultation in the field of flow control and flow conditioning, as well as providing technology and digital solutions for industrial water treatment and sludge treatment all being consultancy in the field of dewatering and water purification; technological consultancy in the field of engineering in respect of installation and assembly, maintenance and repair of machines, apparatus, installations and machinery relating to solid-liquid separation, industrial liquid purifying and slurry handling processes in mining and process industry; information and consultancy to all the aforesaid services