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Hello Jayanth and welcome to the forum.
In some locations (e.g. passing loops on tramways and narrow-gauge railways) it is often convenient to allow trains/trams to run through trailing points from one or other of the diverging routes when they are not actually set for that route. This obviously means that the trains/trams wheels will have to force the point blades out of the way as they pass over them. If this is to be allowed then any point motor that is fitted must be of the "trailable" type or mechanical damage will occur. I hope this make sense.
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