Farm and related workers are engaged in activities related to: growing and harvesting field, tree and shrub crops; gathering wild fruits and plants; breeding, tending or hunting animals; producing a variety of animal husbandry products; cultivating, conserving and exploiting forests; and breeding or catching fish, and cultivating or gathering other forms of aquatic life. These are all undertaken  in order to provide food, shelter and income for these workers and their households. Most of the jobs they carry out require completion of the first stage of secondary education, but some occupations will require the completion of the second stage of secondary education. The types of jobs carried out by skilled agricultural forestry and fishery workers include: market gardeners; livestock and dairy producers; apiarists and sericulturists; forestry workers; subsistence farmers, fishers, hunters and gatherers; inland and coastal waters fishery workers; deep-sea fishery workers, etc.