We provide operational and maintenance contracts, as well as periodic visits contracts. In this service, we provide a statement of the operational problems of the plants and submit a technical report on these problems and the required technical recommendations. Periodic visits are made during the year and emergency visits when needed. During the periodic visits, sand filters are washed and checked, chemical tanks are washed, and chemicals are prepared in appropriate doses. With each visit, checking the pumps and following up the readings, avoiding the possibility of problems appearing in the plants as much as possible, and dealing with any leaks in the plants, checking the electrical connections, checking the measuring devices and readings.