The BHP Billiton Mozal smelter, for example, consumes two-thirds of the electricity generated in Mozambique but employs only 1,070 people at its plant in Maputo and 3,500 downstream, with jobs ranging from catering to sewing uniforms, according to its own figures.
Utilize the input text as a context reference, choose the right relationship between 'Mozal' and 'Maputo' from the options.
Options: chief executive officer, distribution format, platform, headquarters location