Complex sentence: Like in the rest of the stretch this was to house pipes and tubes with communication cables, again for reasons of cost-saving, these were left and instead coated with metallic planes, which were also used for the ceiling of the station.
Split into simpler sentences: Like in the rest of the stretch this was to house tubes with communication cables. Again for reasons of cost-saving, these were left and instead coated with metallic planes, which were also used for the ceiling of the station.