MGS shed ke locos bahut saari trains ke saath busy rehte hain toh unki safaai ka time shed staff ko mil nahin paata... GZB ELS ka bhi yahi haal tha lekin kuch dino se unke P-5/7 locos ko achche se saaf kiya jaa raha hain... IRI par bolte hain Phenol ki safai Rin se bhi safed :-)