Show I I I I I Non-Combatant Non Tanks I 1 Not all army tanks arc destructive i of ot human life Those of ot the sanitary I corps are dangerous only to germs The necessity of eradicating these from the drinking water of or the soldiers soldiers sol sol- diers has hns been met by the organization of purification units or mobile water trains These consist of a number dumber of heavy motor trucks each or- or Is Ia tf d complete filtration plant in Itself including Including In in- n a laboratory for testing They I ore are equipped to both filter and chemically chemically chemi chemi- cally purify the water which may way be bt pumped up from a river bed or any convenient source Attached to each train are a number of simple tank trucks used for storage or or transportation tation of the purified water |