Chain pumps

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See also: Chain

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
But each salp in the chain pumps to the rhythm of its own built-in pacemaker.
The supermarket chain pumps classical music outside to keep the yobs away.
His display at the show included gear pumps used to transfer oil of other viscous fluid, chain pumps, submersible pumps, suction/pitcher pumps and even pressure pumps.