Prevalent Employs: to supply a concrete mass, for base-mounted centrifugal pumps, that prevents differential motion among driving and pushed associates, related by a flex generate; to reduce the substantial vibration amplitude (unbalanced forces) found in air compressors and vacuum pumps; to lessen the center of gravity of tall, slender units; https://elliotupibv.tokka-blog.com/39931921/little-known-facts-about-inertia-base-for-compressors