Maca is a root that grows high in the Peruvian Andes at altitudes of 14,000 feet (3500 m) above sea level. It has been cultivated for 1000s of years and used by indigenous people to boost their energy while living at such extreme elevations where oxygen is in short supply.
You can start working as an engineer with a 4-year college degree. Many engineers go on to earn masters degrees (usually in another 2 to 3 years), and some get a Ph.D. (4 to 6 years beyond the bachelors degree).
While there is no standard path into the field, an electrical inspector needs to have a thorough knowledge of electricity, electronics and codes, an electrician background, or a 2-year or 4-year college degree, often incorporating courses in electrical wiring, carpentry and architectural drawing.