APRONYM
purity
100% NARROW GAUGENon-Average Rail Ratio, One Working Grade And Unusual Gauge Examples Sean Lamb ("Gauge" refers to the distance between the rails. Standard Gauge in North America is 4' 8.5", Narrow Gauge is anything less than that, most commonly 3'; narrow gauge railroads often contain tighter curves and steeper grades than their standard gauge counterparts)
Transport:Trains
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