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võrgu hoolduseks ja kontrolliks torustikule ehitatud kaev, nimimõõduga DN 400 kuni DN 800, a manhole built on the pipeline for maintenance and inspection of the network, with a nominal diameter of DN 400 to DN 800
inspection chamber . Veevarustuse ja kanalisatsiooniga seotud terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//evkis/inspection%20chamber/1/eng (14.11.2026)