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.
Answer: Glucose, or commonly called sugar, is an important energy source that is needed by all the cells and organs of our bodies.ormal glucose levels are typically less than 100 milligrams per deciliter, in the morning, when you first wake up, or before eating. We call this the fasting blood glucose or the sugar level. Normal glucose levels 1 to 2 hours after eating are typically less than 140.