40
Technical information, consulting services, and technical facilities services in the field of water treatment and purification
42
Technical quality monitoring services of water conditions; engineering services, namely, technical analysis relating to the functioning and process optimization of customer-site water treatment and purification apparatus; technology consultation in the field of water treatment and purification; water analysis; water purity analysis; technology specification, namely, analyzing technology requirements and developing recommendations for the computer software and systems and other technology needed to meet those requirements, in the field of water purification and treatment
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