Go in search of fish, catch them, classify the fish and sell them.
Take care of cows, porks and sheeps and they take charge of his health.
Sell products and services to the public in general, some of them work in shops.
They discovers a disease and tries to treat it.
They take care of the patients and take charge of his well-being.
They prepare the land, spread fertilizers and credit, sow seeds and plant plants.
They teach a subject, in colleges, institutes and universities.
Fisherman.
Ranchers.
Teachers.
Sellers.
Farmers.
Doctors.
Nurses.
