35. The services contemplated in sections 32 and 33 are the following:
(a) infrastructures: such as regional roads and arteries, bridges, airports, maritime structures and protection and irrigation facilities;
(b) local services: such as water systems, sewers, purification plants, treatment plants, fire protection services and other services generally provided by local or municipal governments;
(c) public utilities: such as electricity, gas, oil, telecommunications and telephones;
(d) gas pipelines, oil pipelines and energy transmission lines;
(e) other services of a similar nature established by law.