مواد البناء الطبيعية حجر أبيض cararra بلاط الرخام الكلمة

Lusail Light Railway transit system project (LRT) has four main operating lines with a total of 28 km, 28 trams and up to 28 stations. The trams are provided with traction power from either an overhead catenary system (rigid rail fixed to the ceiling of the tunnel) or from a third rail in the middle of the track.