<span> Periodization can help historians know when an event occured. This can also help historians learn the cause and effect of another time in history.</span>
.How much will it cost to train the staff to effectively use the machine?
.How many patients will they need to treat in order to pay for the machine?
.Will it provide a significant benefit to the neighborhood or should they spend their money on something else that might serve the population better?
.Will they have to give up a crucial health service in order to have the dialysis machine in the clinic?
