TS Class 7
TS Class 7 was a series of 28 trams and 15 trailers built by Strømmens Værksted for Trondheim Sporvei . 
<triplet> TS Class 7 <subj> tram <obj> subclass of <subj> Strømmens Værksted <obj> manufacturer <subj> Trondheim Sporvei <obj> operator