Common Uses: to supply a concrete mass, for base-mounted centrifugal pumps, that stops differential movement involving driving and pushed associates, connected by a flex drive; to reduce the substantial vibration amplitude (unbalanced forces) present in air compressors and vacuum pumps; to lower the center of gravity of tall, slender units; https://brookszsmfy.blue-blogs.com/47357978/the-2-minute-rule-for-concrete-filled-inertia-base-for-vibration-isolation