This is a model of a typical VR Smoke Trough, provided as a 'stand alone' asset that is intended for use solely in VR Roundhouses not otherwise equipped with these items, to make the Roundhouse appear to be closer to the prototype, where that unit is so equipped. As a kind ''scenery'' asset with the 'trackside' tag set to keep the trough on the centre line of the track to which it is ''attached'', it will automatically adjust it's position to be correctly aligned with the track when placed . When doing so, it should be located towards the front of the shed, at a positon where the smoke stack of the longest locomotive of which the Roundhouse is capable of handling, is situated when the locomotive is correctly 'stabled' in the Roundhouse, being careful to ensure that no portion of the supporting brackets protrude above the roof of the Roundhouse.