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The subprojects will also be judged on the predicted utility of the database and tools to the broader community and to the degree that the tools contribute to the broader goal of database interoperability . Your question involves the authority of a municipality to create a " sick leave pool " to which municipal employees may presently and in the future contribute previously acquired sick leave time and from which other employees may draw if they are ill but have no sick time left . These studies may provide insight into how inflammatory mediators in the body contribute to one of the key features of Alzheimer pathology and may suggest new therapeutic strategies . The more the men contribute to household income , the less they are inclined to accept women 's work in the labour market . For example , farmers using fertilizers and pesticides in the Midwest contribute to hypoxia in the Gulf of Mexico and harmful algal blooms in the Atlantic .