One-man operation (OMO), also known as driver-only operation (DOO), one person operation (OPO), single person train operation (SPTO), or one-person train operation (OPTO), is operation of a train, bus, or tram the engineer or motorman alone, In 1903, the Metropolitan District Railway equipped two of their A Stock trains
More Books:
Treatise on Pineal Gland and Melatonin
Read online Trattamento dell'epilessia