Complex sentence: Bell Engineering of Lucerne, Switzerland, constructed the tramway in what they considered their most difficult tramway construction project, primarily because of the steep and rocky terrain, also the Tram is world renown for its effective grounding system.
Split into simpler sentences: Bell Engineering of Lucerne, Switzerland, constructed the tramway in what they considered their most difficult tramway construction project, primarily because of the steep and rocky terrain. The Tram is world renown for its effective grounding system.