Prior to 2019, three non-technical branches of railway services – the 온라인카지노 Railway Personnel Service (IRPS), the 온라인카지노 Railway Accounts Service (IRAS), and the 온라인카지노 Railway Traffic Service (IRTS) – were recruited through the CSE, while five technical branches – the 온라인카지노 Railway Service of Signal Engineers (IRSSE), 온라인카지노 Railway Service of Engineers (IRES), 온라인카지노 Railway Service of Electrical Engineers (IRSEE), 온라인카지노 Railway Service of Mechanical Engineers (IRSME), and 온라인카지노 Railway Stores Services (IRSS) – were recruited through the Engineering Services Exam (ESE)