Assertion: scale | /r/CapableOf | define the rail-to-rail gauge equal
Facets:
value: at the cost of scale exactness
type: MANNER
Source sentences:
text: The scale 1∶148 defines the rail-to-rail gauge equal to 9 mm exactly (at the cost of scale exactness), so when calculating the rail or track use 1∶160 and for engines and car wheel base use 1∶148.