Popular Utilizes: to provide a concrete mass, for base-mounted centrifugal pumps, that stops differential movement concerning driving and driven users, linked by a flex travel; to decrease the large vibration amplitude (unbalanced forces) present in air compressors and vacuum pumps; to reduce the middle of gravity of tall, narrow units; https://hvac-inertia-base70145.blogofoto.com/70826124/the-smart-trick-of-concrete-filled-vibration-isolation-base-that-no-one-is-discussing