Only electric hot water heaters use elements to warm water. Gas-fired models, on the other hand, have a burner at the base of the water heater. Elements install on the side of the tank and come into direct contact with the water. Several issues can arise that cause the element to fail.
For people without diabetes, the normal range for the hemoglobin A1c test is between 4% and 5.6%.Hemoglobin A1c levels between 5.7% and 6.4% indicate increased risk of diabetes, and levels of 6.5% or higher indicate diabetes.he hemoglobin A1c test, also called HbA1c, glycated hemoglobin test, or glycohemoglobin, is an important blood test that shows how well your diabetes is being controlled.
A: Glycosylated hemoglobin, often referred to as HbA1c or simply A1C, is the measure of a person's average blood glucose level (all the ups and downs) over the last two to three months. The purpose of the A1C test is to give you a sense of your blood glucose control.It is reported as a percent.The American Diabetes Association recommends that most people get their A1C down to 7 percent or less. Other diabetes organizations, such as the International Diabetes Federation, suggest 6.5 percent.he purpose of the A1C test is to give you a sense of your blood glucose control. It is reported as a percent. The American Diabetes Association recommends that most people get their A1C down to 7 percent or less. Other diabetes organizations, such as the International Diabetes Federation, suggest 6.5 percent.