The 3.0 Saturn engine is an interference engine. This means that if the timing belt comes off, breaks, or gets out of time, the pistons will contact the valves and bend the valves. This is the reason your engine has no compression. The cylinder heads will need to come off and the bent valves will need to be replaced.
12 Main Types of Agriculture. 1) Shifting Cultivation (rotating crops) 2) Intensive Pastoral Farming (focused on grazing animals) 3) Subsistence Cultivation (eeking out a living, often on inhospitable land) 4) Commercial Cultivation (usually focused on cash crops, such as cotton, palm oil - and poppy for heroine)
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.