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Accounting for the subtle but essential lighting effects is a key factor in this process . The type and duration of employment is a key factor in assessing the quality of a provider and bear significantly in person 's choice of provider . It is , according to some commentators , one of the most open economies in the world , and this openness to external trade is a key factor in underpinning the competitiveness and innovation that characterises the Irish economy . Photochemical deterioration associated with vernished paintings , such as yellowing , does not seem to be a serious factor in negative deterioration . I realize that unobstructed access and the free flow of information is a key factor in the success of the individual and , in broader terms , the society and the world community at large . A bicyclist travelling at an unsafe speed was considered a primary or contributory factor in three collisions , running a STOP sign was the primary cause of one collision , passing on the right was a primary factor in two collisions , turning the wrong-way onto a one-way street was the primary factor in one collision , and a bicyclist veering into and side swiping a tractor trailer reportedly caused one collision . Technology is an influential factor in the dual economy . That first Communist Party was a fundamental factor in the general strike of August 1933 which led to the overthrow of the Machado tyranny . Patients and families may be referred to counseling to help them with these issues.Pain control is a key factor in successful home care .