A clean utility system refers to a water supply infrastructure that provides clean, safe, and reliable water for various purposes, such as drinking, cleaning, and sanitation. It typically involves the collection, treatment, storage, and distribution of water to end-users, ensuring its quality and availability.

Process equipment refers to the machinery and tools used in industrial processes to convert raw materials into finished products or perform specific operations. These equipments are designed to handle various types of materials, such as solids, liquids, or gases, and they play a crucial role in manufacturing, refining, chemical processing, and other industrial sectors.

Value Added Services (VAS) refer to additional services or features that are provided to customers to enhance the value and experience of a product or service. These services go beyond the core offering and aim to provide additional benefits, convenience, or customization to meet customer needs and differentiate a business from its competitors.