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spec: You need a fairly good stream of substantial wins to keep up morale . There are three possible approaches : a free-moving robot , a fixed x-y plotter ( Cartesian coordinates ) , and a radial plotter ( polar coordinates ) . BTW , its always a good idea to keep up w / your minutes used . '' The rationale for this provision is that disclosure of any such conflicts is important for those serving on the bodies charged with making policy recommendations , but that it would be impractical and unwarranted to prohibit participation on the councils to anyone with a potential conflict . The samplers are normally attached to the underside of a " frisbee " to keep out rain , and should be positioned about two metres above ground . While this is intended to keep out bugs and animals , it serves unconsciously as a mediator with nature , keeping its unpleasant aspects at a distance . Benson and Hermann reported that data are insufficient to state with certainty that a consistent pattern of behavioral changes occurs in patients with temporal lobe epilepsy . Normally these vents are closed to keep out animals and moisture . The effectiveness of treatments such as sanitation and road closures is monitored continuously .