From initial inquiry Employees with the understanding that if it works in the pipeline deeper than 3 meters do not require a work permit shows that disabilities communicate.
From the preliminary inquiry. Employees understand how to work in the deep tube does not exceed 3 metres are not required to have a Work permit refers to a defect subject to communicate.
From the preliminary inquiry staff, to understand that, if it is not too deep into the tube to get to work 3 meters are not required to have a permit Work show up to the hearing of the Communications