For the organic waste disposal, rotary use of composters is common and frequently employed. Additionally, the amount of energy adopted to move organic waste is a key factor that should be highly considered when designing and manufacturing a composter machine and picking up the motor engine. Moreover, the power of promoting organic substance can be represented by compost size, operating parameters (sunshine, humidity...) and based on a simplified organic waste mass model generated by regression approximation mechanical equations with satisfactory results and precision. Finally, the reliable efficiency of this model is measured by particular data on an industrial rotary composter system.
Two great public programs supporting entrepreneurship by young graduates have been conducted over the last twenty five years in Morocco. This was the program « Credit Young Promoters » and the Programme « Moukawalati ». However, a review of these two major programs shows very low results. The explanation is related to some inherent weaknesses and to some extrinsic issues. Following this review, we were able to develop some reflections that may help to overcome the mistakes made and consider the unknown angles. These reflections are based on the passage from a pushed flow strategy of entrepreneurial act to a pull flow strategy, from a short-term vision to a long-term one, from an endogenous approach to an exogenous one, from a "Project" approach to a "Person" approach and from an ad hoc training to lifelong learning. The goal is not to reduce the entrepreneurial into a simple workaround for the problem of unemployment, to adopt a clear and consistent vision over the long term, and to create a strong entrepreneurial chain where different stakeholders are actually and permanently engaged.
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