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… Non-Signalled Sidings (a) When two opposing train(s) or transfer(s) are to be lined into the same non-signalled … before the signal to permit operation of either train or transfer into the siding is requested. (b) At meeting points, the RTC must not line a train or transfer into a siding until the switch at the opposite end …
78.944
… pressure for a vessel in its normal operating position at the operating temperature specified for that pressure, and includes a … of 4; 3.5 "factor of safety" means a margin of safety and is used to determine maximum allowable stress value used for …
30.794