In fact, the aforementioned criteria constitute a non-permit required confined space. A permit required confined space â more specifically, entrance to a permit required confined space â should be limited only to workers with the proper permit. This is due to the inherent hazards within this type of confined space.
Salmon farming is a type of aquaculture where the fish are grown in net cages, typically located in sheltered bays and fjords along the coast. Salmon are hatched in brood hatcheries and grown in freshwater until they are large enough to transfer to marine pens.
Examples. Subsistence Farming. Subsistence farming is a form of farming in which nearly all the crops or livestock raised are used to maintain the farmer and his family, leaving little, if any, surplus for sale or trade.Barnett et al.ubsistence agriculture is a labor-intensive method of cultivating food crops, which is sufficient for the farmer and his family. The production is done on a small scale which is adequate to feed a small population. Self-sufficiency is primarily focused in subsistence farming, due to which surplus food is reduced.