Özet:

The continuity of the cash is directly related to their income source. Their income sources which can be divided into transferable and immovable ones are also the most important supplies for the founding of cash. As long as those sources used properly, these wheels could endure. One of the main disadvantages in this system is the decreases in the income sources that prevents wheels from serving their purpose. Under those circumstances, managers aimed at finding new ways of increasing the income of wheels which would secure their continuity. One of these methods is the procedure of replacement. Consequently, by changing a failing income source with a revenue-generating property,vaqfs were able to continue its functioning. The predominant immovable income sources of the Ottoman caves on Lesvos island are olive groves. The olive groves along with the olive oil and olive soap not only build reputation to the island but are also the most essential source of income. Vaqfs on Lesvos island saw the procedure of substitution a chance for its endurance in times when the income source declines or dissolves. The preference of the wheels on the island forsubstitution were obviously properties producing significant incomes, which are olive groves situated on the fertile lands

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