Two men in a tennis court in a city are standing on either side of the net talking to each other.
Two men are playing tennis in a tennis court in the city.
It is advisable to provide a preconditioned (deionized) feed water by using a Culligana, Continentala, or equivalent system in front of the MILLIPOREa System to extend the life of the MILLIPOREa cartridges (see Section 5, Facilities, Equipment, and Supplies).