What is the main conclusion that can be drawn from the text? a) The written communications should contain all the requirements that are related t...

What is the main conclusion that can be drawn from the text?


a) The written communications should contain all the requirements that are related to safety in the execution of the work to be carried out in order to avoid erroneous interpretations or omissions.
b) The train driver was distracted by the person who was traveling with him and did not perceive the flashing beacon as a result of this distraction.
c) The train was traveling at a speed of between 71 and 51 km/h in the moments before the accident.
d) The communication of precaution by the PCT was not registered by the driver due to the noise pollution in the cabin caused by the reproduction of music through a portable equipment owned by the driver and the reduction of the radial volume made by the driver himself.
e) The work crew had authorization to work according to what was documented and cited previously.