This circulates the warm water around, but doesn't do much for massaging you.
Small doses of any of them dilate the blood vessels from an action on the vaso-motor centre in the medulla oblongata, as a result of which the heart beats more rapidly and the blood circulates more freely; but larger doses have a general depressing effect upon the circulatory system.
Also, keep in mind that the pump which circulates the water through the fountain will require an electrical outlet.
The spark coil has a resistance about ten times as great as that of the electromagnet it shunts, and the wire of which it is composed is double wound so as to have no retarding effect on the induced current, which circulates through the spark coil instead of jumping in the form of a spark across the contact points.
Both detect a protein component of the virus as it circulates in the bloodstream.
