Assertion: locomotive's number | /r/ObjectUse | used for uk-built locomotives
Facets:
Source sentences:
text: For UK-built locomotives, a number of incompatible control systems are used, but the most common is the Blue Star system, which is electro-pneumatic and fitted to most early diesel classes.
text: For UK-built locomotives, a number of incompatible control systems are used, but the most common is the Blue Star system, which is electro-pneumatic and fitted to most early diesel classes.