Heat distribution unit. The Heat Distribution Unit (HDU), also known as a Heat Interface Unit (HIU), provides domestic hot water (DHW) and space heating to properties that are serviced from district heating or centralised boiler plants.
Called hypoglycemia, this deficiency of glucose in the blood is considered critical at, or below, 40 milligrams of glucose per deciliter of blood, or 40 mg/dL. However, this figure must be adjusted individually, as the exact level at which an a person develops symptoms varies.
When talking about the normal levels of blood glucose, high blood glucose is not the single problem, too low level of glucose in the blood (called hypoglycemia) also can be a serious problem. According to Health-Wise, a FBG of lower than 50 mg /dL is considered too low and for 50-70 mg /dL is considered mildly flow.hen talking about the normal levels of blood glucose, high blood glucose is not the single problem, too low level of glucose in the blood (called hypoglycemia) also can be a serious problem. According to Health-Wise, a FBG of lower than 50 mg /dL is considered too low and for 50-70 mg /dL is considered mildly flow.